Celebrating birthdays is a social imposed event

... religious customs alike.

I would divide atheists in non-theists and absentheists

“Non” as in “non-existent” for those who do not want to answer the god-question and “absent” as in "not here, not now" for those who do answer the god-question.

Yom Kippur 2005 (2)

{deep sigh}... and thus extol God: How awesome are your deeds!

That's all folks

Life is the phenomenon of a coincidental and temporal collaborating agglomeration of X molecules into a more or less standardized form, undergoing a cooperative decay as a unit from the moment of the onset of their cooperation.

Confident

"With a statement like this, I’ll never get quoted." - Circumspection