i'm not lying when i say he is sexy??

er
my boyfriend suffers from low confidence although he has better days now. he's been going to the gym everyday. he looks in the mirror every day but he still thinks he is fat and not very muscular. i know he always wants to be MORE muscular but he has already made a lot of progress and i tell him all the time. 
i know every one has their own type that they like, but don't u think he should feel proud and sexy ? i'm proud of him..