Will I Bleed Again During Sex If I Already Have Been Sexually Active, And Can A Future Partner Know About My Past Sexual Activity Or Masturbation?

Hi doctor.. I had sex for first time and I got bleeding..my boyfriend is not marrying me now.. My family is forcing me for marriage..I am worried if the guy comes to know about the sex. Will I bleed again ? I also masterbate but I am.worried alot if he comes to know about it..