pls help, i don't understand. it took about 8days difference before seeing my period and now on the 3rd day of my period, my breast was forcefully pressed by friend and water was flowing out like a tap. pls can you explain to me what's to me

I was worry about the delay initially thinking because am on chest pain reliever but the drug finished, I saw my period 3days after and 3rd day of my period, water rush out of my breast like a tap when a friend Swizz it. l ve not had sexual intercourse with any man. please I need clarification on what's happening to me.