Right now he is like an alter personality. For years you only saw his nice side, now the other side is out in full force - he's selfish, nasty, competitive, narcissistic, etc.,etc.
Your friends and family will not even believe you b/c they are not living it. It's so bizarre that it's hard for people to understand.
This was my H. This was my life for 2 years. There are no better words to describe it.
Most of us really marry only once. First love endures, even unto our dying day. And we never really divorce.