I hate the fact my baby dad can't speak up for himself, so he gets his mother involved. Then she…

I hate the fact my baby dad can't speak up for himself, so he gets his mother involved. Then she starts treating me with solicitors. All because I have a new boyfriend and they make out they want to see my son then they make excuses all because they cba. Going to the children centre to see what they can suggest, I've tried being civil had enough with arguments. Wish me luck