What's wrong with my friend.?

Ok so I'm 16 she's 17 let me describe each of us. So I'm a virgin and if guys or people like me its for me. Not for or just my body. And my friend is not a virgin everyone knows it and my guy friends say she not to be mean but ugly. But she's skinny. I'm not but everyone thinks I'm prtty so does she I guess there's nothing wrong with me but my weight. and recently I started this diet lost ten pounds so far. Abd I asked her what she thought and she said (you would be ugly skinny.you just wouldn't look rite sorry.) Then she says (your fat and your legs are short. But you should stay fat because you would look wrong.) So whsts up with her.? And she's always trying to show off her body and its so annoying