please help!

i have tried to have sex with my boyfriend for about a week. we’ve tried 3 times. a week ago, i had a yeast infection and treated it with monistat 1 day. since that infection, it hurts to have sex. i just want to please my boyfriend. it hurts when he puts it in, and then i get past it and it doesn’t hurt for a little bit. it started hurting again like 6 minuets in. it’s like a stinging burn. someone please help me 😭😭