Just go straight away to her and tell her what you feel about her..tell positive things only..not negative ones..she'll surely accept you..

Just show some love and show that you care for her a lot..it's no less than any other gift.that's what a women wants..

They mostly prefer sexy slim women and teenagers get impressed mostly by intelligent girls..

It's simple. Wear clothes which he likes on you, just be free and concentrate on your body language. Talk to him and never let him be alone and feel bored. Entertain him how much ever you can, show him your talents, he'll surely be impressed.