>>1087844481) Work your Kegals. All the time.
2) Wack off an hour or two before.
3) Slow deep thrusts, change positions every few minutes, and if you need to and she’s down for it then switch to cunnilingus to calm down.
4) Try and masturbate using just the head, and dry with a very light grasp, every so often. Desensitized the bell, and get used to not getting 100% pleasure.