making the guy cum *first time*😢

i am yet to find a post like this. ive only tried doing stuff with this guy twice and it’s both our first time. first fingering second time touching and sex. i didnt make him cum giving him a handjob and im not sure about sex. he said that it felt good but didn’t cum. am i not doing it right? are there any factors that im missing? any advice? thanks girls x