Feeling a little insecure

Recently I've been working out to lose weight and get healthy. I've also changed my diet completely too... I met up with a personal trainer to find more effective workouts and he said that I have too much fat on my arms. So much that it may need to be surgically removed and that hurt me. But I know that feeling sorry for myself isn't going to help me. I feel more motivated to get it done. 
I just don't know what's wrong with me right now though. I feel like I wanna throw up. I feel like eating but I don't wanna eat.