what exactly are his compulsive thoughts?
alcoholism and OCD aren't necessairly related. . . and everyone has low self-esteem issues.
believe me, i believed a lot of lies before i learned to trust my gut. if you believe them now, expect them to keep on comin ... once he sees he can get away with it with you, he'll continue to do so. nothin better than a doormat.
please keep reading and posting here - you'll learn a lot!