Idk when it started but my bf kept saying that I dry

I noticed it too

Well today we were having sex with no condom and I can’t get wet why

And when we finished we saw blood idk whose blood

He left to work and texted me his penis hurt and thinks he got cut of how dry it was

Help girls i used to get wet idk what happened I young 19 years old

I don’t want to get that involved my relationship and ruined plz help 😭😭what can I do , I know there’s lubricant but I want to know why I cant get wet ,am i doing something wrong? Not showering enough?