It's urgent..I m in conflict

Kristina • A nurse
I hv nw bf nd hv also in physical relation from 7 month...when he do sex he finish it within 2 to 3 minutes...bt I am not got orgasm nd satisfy...bt I am not able to tell him about it....how can I tell him...when he says to me that u r satisfied I say "yes"..bt I not..hlp me how can I say him..