If I die everyone will get relief

My family is constantly worried for me because of my depression. I am pregnant by my ex and he wants me to abort but I want to keept it. We had a huge fight today whem i told him I wanted to kept it. Finally I said fine and I would just get rid of it and burst into tears because I can’t do it. If I keep it I ruin his life and he says mine too. I dont see how it would ruin my life. If I abort he can go on with his life and be happy. If I abort its likely I will lose what little hope I have left in this life and will just end it. My family will grieve but they will be ok, my ex will be fine no baby no ex girlfriend nothing else to worry about and I will be with my baby and at peace.