Boyfriend is uncomfortable with my baby bump?!

Forest

I went out to the mall with my boyfriend and out 10 month old son the other day with a shirt that showed my baby bump (I'm 25w3d with our second) and he kept staring at my stomach and making a face like he was upset. He started asking me if I should go get my hoodie out of the truck to cover up and I started feeling really sad and self conscious about my body for the first time in this pregnancy. Then he flat out told me that he would feel more comfortable with me wearing baggy clothing around him to cover the bump. I feel so embarrassed and utterly depressed about it. I've always been a very thin person and struggled with anorexia in the past and have recently been on the road to recovery and this just feels like hes not supporting me at all.