You know, I never used to think about it when I was a deist. I wouldn't even notice if someone's home or office was littered with xtian paraphernalia because it didn't really matter to me. Now that I have rejected those beliefs and see these things all around me almost all the time, religion and atheism seem to constantly be at the forefront of my attention.

Safe to say at least once a day, usually while listening to the news...

My parents are fundies, and I live with them, so I think of it often.  I'm constantly having to bite my tongue around them to avoid fighting. 

I only think about religion and my lack thereof when I'm awake. All the rest of the time, I'm good to go.

I think of my lack of belief everytime I hear or see something religious... Everytime I hear a sneeze and someone say "bless you"... Everytime I hear a woman coo at a little baby and proclaim"Oh what a blessing"... Everytime I am in line at Borders books and the person in front of me is buying a christian self-help book... Everytime I hear a news story about someone killing because "god told me to"... Everytime I see a bumper sticker with a message like "I JC" or that god-damned jesus fish... Everytime I read an article about prayer in school...I could go on and on and on...i stop and think about how religion/belief/gods pop up every single day in my life and how my first instinct upon being exposed to those things is to raise my eyebrows in disbelief and even in some cases stifle a giggle. Thank god for Religion to help me think rationally! <-- sarcasm

Every day, several times a day. I often find myself wondering how anyone can believe in what they do. I find myself wondering how people can make the claim that children believe in god when I didn't. I find myself wondering how people can make biggoted claims and take harsh, extremist actions... all in the name of a god.

You know those surveys in womens mags, like cosmo, that ask men how many times they think about sex and the answer turns out to be some insanely high number that makes you wonder when they find time to sleep or eat?  That's my answer.

Most of the hours that i'm awake.

Everytime that I talk to my mother, who is so completely saturated with god belief that she can not finish a sentence without mentioning god or the bible.

Every time she utters a sentence starting with "The bible says..." as if that is the end all clincher for all logic and opinions on anything.

Everytime she attributes anything good to god and everything bad to a mysterious "plan of god's wisdom".

Everytime I hear a fundy attacking science like evolution as if it is some holy mission of the highest good.

Every time some christian pounds away on their science based computer talking about science being full of shit.

Everytime I see people that have religious bullshit laying all over their cubicles/offices.

Every time I see religious bumper stickers on their cars. 

Gah, I'm getting enraged right now.  I'm going to go calm down.

I will often say, "Bless you" as will do my family and friends even though none of us are remotely religious.  I have no doubt that we say that phrase just as much as we would utter, "oops a daisy" as a I or a small child would trip up.  I think it is dependent on the social environment in which it is uttered and the people that are present.

 Language evolves and more often than not it's origin is lost, but the "general meaning" is retained and that is not always a religious one. 

And I'll continue, rightly or wrongly, to say that a sneeze is something that everyone experiences at some point and so cultural practices that are long determined prevail. 

 I wonder why breaking wind is not followed by a "Bless you".

 

Dude, you sound like you're about where I am now. I've come to realize the environment I'm in is a contributing factor to my own unhappiness. Unfortunately, the U.S. is experiencing a national religious insanity episode.

The first thing I need to do is remove myself from the environment where I was raised / brainwashed. Every time I pass certain areas of town / countryside I have flashbacks. The flashbacks include both good and bad memories, but at this point both make me feel like crying.  I grieve over the loss of the good and ache over the pain of the bad.  The insidious thing about abuse is that abusers of any stripe are usually not always or even usually abusive. They are good / kind most of the time, then something goes wrong. I think that dichotomy is even harder to deal with than someone who is purely evil.

The other confusing element is that religion makes people do things they wouldn't otherwise do. So, you have this group of people you love who sometimes do batshit insane things. It's enough to make you feel crazy.

Step 2 is to move somewhere less religious. That one's gonna be harder...

Step 3 (which I can work on while I recuperate) is to fully support organizations out to expose religion. I think much of the older generation is a lost cause, but if we can intervene before kids are totally brainwashed, there's a chance for them.

Mostly, I want to be there for people leaving their religion. No one was there for me and that has to change.

 

I bet you dream about it, too.  

I kind of see the OP as two separate questions.

To question 1, how often do I think about my atheism, I would answer almost never. The reason for this is that I have spent a great deal of time in the past thinking about my atheism. I went from never thinking about it as a child, to noticing that it was something of a societal abnormality and thinking about it quite a bit, to realizing that there is no evidence or persuasive supporting argumentation to supprt acquiring a god belief. I am now at the point where, unless confronted with somke new line of thought (which seems beyond scarce in this particular area), I see no reason to think much about it.

The answer to question 2, how often do I think about religion, is very often. I think about religion from a removed perspective considering the beneficial/detrimental effect it has on society and trying to understand why people believe, and what it is exactly that they think they believe in, so that I might be able to show them how removing the responsibility for humanity from humanity is not a good idea and how their belief (if they actually can state what it is they think they believe in) is unfounded, if not completely illusory.

I wish I could say that only occasionally I have to think about religion/my atheism, but everytime I read a newspaper, watch tv, or heck, even drive around town I am reminded.  Between the churches on every street corner and the obnoxious bumperstickers as well as the craptastic presidential debates, I am reminded every damn day.  It's like a bad case of diahrrea you just can't get rid of.

When my step-daughter visited this summer I was reminded when she told me quite gleefully that I would be going to hell because I didn't believe in jeebuz.  I wish I could have told her that I would probably see her mother there anyways, but I bit my toungue cause it's what you have to do. Children just don't know any better. 

Like when my neighbor scolded me for scaring off the little mormon boys that like to darken my doorstep very early in the morning.  I was told I should be more tolerant and that it was very rude of me to ask them if they enjoyed pimping for jeebuz, but hey, I figure if you are going to wake me up that early don't expect unicorns pissing rainbows.

So I would say every single day I am reminded.  I'm pretty sure the only break I'll ever get is if I go blind, deaf, or die.