My gf is 1 yr younger than me and im 17 and strait and she is bi. i am also dating her frend. but she likes it cuzshe culd do me and lick her gf. well she likes alot of anal sex and i like it too but, sumtimes she starts to cry after a few minutes. i want to stop but she doesnt, how can i stop without her getting mad and how can i stop it from hurting her so much?