[mooreds]

Depending on your local laws, she may be entitled to alimony (IANAL!).

Advice from an internet rando: you only get one life.

If you deeply regret the marriage and have for a long time (which is what it sounds like), end it.

Find a lawyer or mediator and work through the painful situation in as compassionate a manner as you can. Be prepared for some breakage in your family, friendships and life, but IMO you shouldn't stay in a situation that makes you miserable.