The context of the following conversation is Casey saw what was wrong with Sasha and got some candy to have a good time.:
Casey says Sasha seemed sad today..
The friend responds I noticed she hasn't been herself since she started that new diet..
Casey responds I wanted to have some fun with her today and took her to the movies..
The friend responds How did that go?.
Casey responds When I was sitting next to her in the theatre, I saw her eyeing my candy. I ran out and got her some. Her mood changed then she was happy..
The friend responds That proves my point about her dieting..