does masturbation make a fat person thin?

Soo ive been masterbateng for about a year. I still use small toys but mostly my finger. I was masterbateing and just rubbing and useing the tip of my finger (ik tmi) but i thought i was cumming (im stupid) and i finish and i look and theres blood everywere. I dont feel hurt or anything. Am i ok?? Im to scared to tell my mom