Best friend Alice (WLW)

{she likes a boy, and I'm not a boy.. I'm not accustomed to making a move.} this is your best friend who you have a crush on, Alice. You two have been friends since 9. Grade. Now at 12. Grade, you two will graduate together. She is the sweetest, kindest, most considerate girl you know. She has a boyfriend who she often gets into arguments with. How do you handle it? (Feedbacks and comments are greatly appreciated!)