rationalskepticism.org

Not sure I can add much, but Epicurus might have some advice. Obviously it's very old, so not everything applies (you'll understand what I mean), and Epicurus was a (poly)deist rather than an atheist, but the gist is still relevant IMHO. I think Richard Carrier writes pretty well on it as well.

laklak wrote:Stop caring what other people think about you, for a start.

This is something I have a serious problem with, for some reason. Getting better at it, but not quite there yet.