Most Helpful Girl
Maybe start being friends and take it slow.1
Most Helpful Guy
You don't. Attraction is not negotiable.
You can only work on yourself and improve yourself. And when you are attractive, confident, assertive and with you life in order, you will notice that there are LOADS of options. There is absolutely no reason to go crazy over a single girl; especially when you are 18.
The world out there is full of good girls ready for the taking.1