You got this brah, one of my best friends had the same cancer at your age. He caught it in an advanced stage too and today he is healthy and enjoying life.
All the best brah!
BTW the HBO special...
I think you'll be fine! If you say she's into you as much as you're into her then she'll do the right thing, for example she'll keep away from getting herself into vulnerable situations. Look at it...
Took about 2 years to chest level length from a short hair cut, 1 on sides 3 on top. Long hair crew will change your look completely.. Sometimes for the better and sometimes for the worse... Good...