I have been with the same person since I was 19, that's 10 years together. We have a son that's almost 9 and a 2 year old daughter. I've been unhappy in our relationship for years and I have told my partner many times that I needed more from him. He always promises to change but never does! I want to leave but I'm scared to hurt him by leaving! I'm also afraid he will make the same promises and it will circle all over again. I don't want to spend the rest of my life feeling this way and resenting him! What should I do?