Blowjob!

Ok so my SO and I live like 20 minutes drive away and we meet once a week. My question is,
I want to try to give a blowjob, but i have braces, and he doesn't shave I'm afraid it'll be awkward or I'll puke or a hair stuck to my braces😭😂 help😩
Edit: i never gave a blowjob before so...