Femanon here. I'm 19 and despite multiple attempts with my ex., We could never get his dick in me...

Google "vaginismus"

get drunk and take some ambient (the sleep aid meds that are Rx)

play with yourself with a vibrator over your panties until you pass out

once you do, tell that faggot to lube up and ram it in until he's balls deep

repeat step three until you wake up

when you come to you'll be sore for 20 hours or so but the booze and the ambient will make it a foggy memory

repeat next weekend as needed.