He entered the marriage knowing that she wasn't down. He agreed to that, and married her, all the same. Cheating, now, because he can't see a life without head, is wrong, wrong, wrong. He shoulda thought about that BEFORE he got married.
Also, if she let him believe that she would 'change' once they got married, she is also wrong for leading him along, in order to get that ring.
I suspect that they
both contributed to this. As a couple, they either need to figure out ways to make speaking into the mike more comfortable for her, or he needs to hope he gets all the head he's ever wanted in heaven, or divorce, or agree that he gets a weekly head budget.
Pros are safer than amateurs - they don't want your man, just his money.