Whats the color of your eyebrows and your skin tone?
Thinner hands come from working out your arm muscles believe it or not,:) and I'd do squats for your legs and running in place to music helps too! It'll take sometime but you'll be surprised. Also dancing....wow, dancing tones everything!!!! And its fun.
Sometimes you have to stop hanging out with him until you finally let go of him. Being around a guy friend you like but likes another is heart breaking, and only makes you feel worse. You can still be his friend but wait till the pain eases.