I do the exact same thing. One thing though. If we can analyze with our heads, not with emotion, it won't hurt us too bad. At least IMO. I over analyze to no end. But I also try to make sure I think about it from all angles, and then admit to myself I have no idea. I know for me, it is a personality trait that goes beyond the sitch with W.
BITS
Happiness is not something ready made. It comes from your own actions.