I'm a big thinker as well when it comes to many things. You just need to try and relax some, but not alone. Go out and relax with friends, go do some things. If you don't want to be around women (I'd suggest the titty bar otherwise), then go do other things that keep your mind busy outside of women. Think of things you either have never done, or things you haven't done in a long, long time. Things you did not do with her.
As for a Christian woman, it does not matter what fictional novel someone believes in, they are human. Christians cheat, the majority of Americans are Christian, and the majority of Americans have cheated or have been cheated on.
Just relax my friend, and enjoy everything else that life has to offer for now.
You also have to take into account how repressed Christians are.... they have been denying their biological need to have sex and cut lose for years. There's a good chance they're going to snap at some point.
"Existence precedes essence"
- Jean Paul Sartre
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