I inserted my forefinger into his anus and stimulating him, until he orgasm and ejaculated.From this lesson I learned that fingering is not a risk.Somehow,what make me feel bothered is when I realized that I have irritation skin on my forefinger.The irritation skin is around the nail area, caused by detergent water (I washed my tshirt manually using my hand, so the irritation is a kind of my skin