And to add to my perversion topic, and to sum up.

Looking at woman's breast, is healthy for guys.

Masturbation (Both sexes) help decrease the chance of getting some weird cancer

LAST, 92 percent of men and 62 percent of women reported that they had masturbated.
don't be shy okay?
so if you are not in that 92percent for guys, and not in the 62 percent for girls, you guys might try reconsidering.

Don't be shy talking bout sex to the opposite / equal gender:
talking about sex can also be awkward, so shyness, as you mentioned in your question, may be another, though lesser, factor. It doesn't have to be this way. Masturbation is a healthy and natural part of sexuality. It enables people to learn about their own bodies and genitals as well as to recognize and develop their sexual responses or orgasms. It also helps to foster communication in intimate relationships by making it easier for partners to identify and express what feels good physically and sexually for them and to each other. Candid discussions about sexuality and sexual pleasure can help free women (and men) from the historically negative influences that have bound and prevented some women (and some men) from discovering, exploring, and enjoying their sexual selves. These conversations can make it easier to break the taboos and myths about masturbatio