Rethink this relationship. You should and need to love yourself and like yourself. You don't have to live with others but you do have to live with yourself. What you weigh is not truly important. Granted being overweight can cause health problems and for that reason losing is a good thing. But losing weight is not going to change anything else. You can feel good about youself at any size, you can be loved at any size, you can accomplish whatever you want to accomplish at any size. People think they will lose weight and everything will be different--not true. The people who truly love us do not qualify that love and suggest that we must "do something" to be loved.

If the problems just started and you just started losing weight, any chance he is feeling threatened by your weight loss? Sounds stupid but some folks cannot deal with their significant other resolving a problem (weight, alcohol or drug abuse) and they become difficult.

If in 2 years he has really been OK, maybe you need counseling to discover what the real problem is--it isn't what you eat.