Steelersfan - it has been written, many times, that they become teh exact opposite of what they were. Others have said [and I agree] they feel simultaneously that they aren't good enough, and that the world owes them more.
So some of them start doing some odd things. After all if a normally loving and faithful person has an affair, and justifies that to themselves, they can justify a lot of anything else that they want to do. . . .