Leave. I wish my mom did. She comes first. It's him or her. Way it is.
Hi there. Wow, so very hard. I really feel for you. This is a deep pain. Yes, I agree that it is in your daughter's best interest for you to "choose" her over anything else. Especially at this vulnerable age. I know that is very difficult. But in the end, your daughter is the main concern. I couldn't tolerate being away from my kids. She may also take a little bit of time to come back to you but WILL and it will be worth it. She's 13 so in a few years, she'll be an adult herself and you will be able to resume whatever love life, relationship, etc. that you choose.
I am here to talk any time. Sincerely.