what should I do about my boyfriend ?

I am confused and need to know what I should do about this situation with my boyfriend who is in jail for csc on his daughter and his married want to divorce his wife and marry me hes looking at 15 years in prison his wife does this to people she gets mad at and fills her daughters head full of stuff and he wants me to wait for him he 30 im going to be 20 in june I meet him around the new year and we only got about a month and a half spent tougher and my sister turned him in and he got picked up and went to jail we write and I visit him but not sure what to do about all of it if I should move on or wait