i need some help it’s been too long

so my bf and i have been dating awhile and he cums really fast. like really fast. he only lasts for maybe 10 seconds. i have never orgasmed from sex and it doesn’t bother me bc i’m not in it for the sex but what is going on!? like it’s been over a year of constant sex and he still doesn’t last that long. i just wana know what i can do to help me orgasm bc we can do clitoral stimulation for awhile and it helps but it’s not enough. can someone help me??