bleeding after sex

Megan • chickfila & him
no, its not my first time and every time me and my boyfriend have sex i bleed. like. a lot. like tonight. its valentines day, and we had sex after we got home from dinner and i started bleeding. and i didnt know and so by the time we were finished we started getting dressed because we were gonna get some ice cream
and it was everywhere and i dont know why this happens to me. im not on my period so if any of you have an idea please just comment anything that would be helpful to my situation. thank you very much.