Worried101

I never Cummed in my life. Every time I precumed I stop because If I cum I will get paranoid to bits. I was wondering if Pre Cum can still contain sperm WITHOUT any left over cum.

I masturbated in the shower and I had didn't cum but I'm afraid that some pre cum might of leaked on the shower floor. So I put hot water and sprayed the floor. Then my sister came ( didn't know ...