[riri]

What would possess a man to cheat on his wife with a Rod Stewart look alike?

Laughing out loud over that one. I agree. All that money, power and supposed good looks and he ruins his career over Reille Hunter?

[Grizzled Bear]

It's got to be the narcissism. I'm sure he could have found more “aesthetically pleasing” women willing to have sex.

Beyond the sex, I think Reille treated him like an object of worship. That's the only explanation I can find.