RAZOR BURN

I need serious help😂 I just started seeing this guy and I slept over at his house the other night and I'm oddly thankful that I was on my period because my razor burn is sooooo bad. Even just underwear touching the razor burn hurts, it's all red, it's not pretty. I refuse to go hairy, nothing wrong with it, just not my thing. It hasn't always been this way, just recently. I need a way to get rid of these bumps fast! Like uh by Friday fast! Any remedies to heal it along quickly? And also what is a good way to prevent razor burn in the future? It might be because I haven't shaved in a longggg time because well I haven't been getting any action in a long time lol.