How to overcome shyness!!

Okay so I’ve been shy for be majority of my life. It’s improved a lot but I still struggle with it from time to time.

I’ve been talking to this guy for a while and he is sooooooo f*cking fiiiiiiiiiiine. I love being with him but I be soooo nervous!!!!!!!!!!!!!!!! Anytime he looks at me I just wanna faint

Any tips on overcoming shyness around a guy you like?