T.F.
Where does he sleep when he isn't on your couch? Is he paying rent or mortgage somewhere else?? Why is it up to him how much time you spend with your son?? Too many unanswered questions for us to give you solid advise. However, from the little that you've told us, it sounds as though you are both still leaning on eachother-- almost to the point of using each other. You seem to be using him for transportation because you mentioned that you don't have a car, and for whatever reason, he seems to be using you for shared meals and a place to crash for the night even though he doesn't help with chores (do you cook for him and clean up after dinner??) I understand that you share a child, but if you really want to break free from your dependancy of him and move on with your life then you need to figure out how to take care of yourself. I know money is tight, but you need to start setting money aside for a used car and/or buy yourself a bus pass or something, and find ways to cook cost efficient meals that you can have without him. I know it's easier said than done, but you posted here for help-- and I think we all know (including you) what needs to be done. There is nothing wrong in general with still having a close friendship with an ex, but you would not have posted here unless you were ready to break free but you just aren't sure how. You need to step up and fix what bothers you, or you need to stop having a problem with the way your life is now.