I've been told by many people life is worth living. There are experiences to be had, new people to meet, possibly befriend or fall in love with, and new beautiful things to create. Case in point would be your daughter. You may be having a tough time but isn't the purpose of us procreating and raising our children so that we can give them a better life or at least a better chance at a life we could never have dreamed of? I have no children myself so it's just an opinion and I hope it is no disrespect to anyone, but all I can think of is the negative traumatic experiences I had as a child and I feel like I barely function in society as it is. If I had a child I would give everything including my last breath to make sure they wouldn't go through what I did. My mother left my father with 4 kids in effort to help us become the best we could be, but she did falter in a few instances. I do commend her efforts and I know a large part of what I've accomplished is through her influence. Stay strong for your daughter and don't be afraid to make a life change to make things better for yourself or for your child. There are still good people in this world, just make sure you raise your daughter to be one of them.