Yeah, no. It's fine to have a preference for body shape/sizes, but this line is too much

>I don’t want to be hanging around with my friends and thinking that THEY could be thinking I could do better than you”.

He's essentially saying all your traits are irrelevant, and your weight is the be all end all. He is ridiculously shallow, and there are way too many people in the world to stay with someone who values a number on the scale over who you as a person are.