It's also quite possible that at 5'7" and 135 lbs. your body is quite content at it's present weight (which is also a very HEALTHY weight) and will resist going any lower. It has many mechanisms for keeping your weight stable and it could be rather difficult for you to get much lower.

It's pointless and frustrating to compare your weight loss with that of your boyfriend. Men have a great deal more muscle mass and higher metabolisms....they will naturally lose MUCh faster than we will ever hope to!

Have a great day!