At the first stage a man masturbates in the presence of his partner.

A young man without a regular sexual partner, for example, might masturbate once or twice a day.

One of the more controversial slide shows showed a man masturbating.

One may question why it should bother a woman that a man masturbates to pornography?

Anyway, without the women it's men masturbating over machines.

I'd never seen an apparently healthy man masturbating with such utter lack of modesty.

Some men masturbate using the suction of a household vacuum cleaner.

"Maybe the man masturbates while he's watching," Ruth suggested.

Bisexual men masturbated more but had fewer happy marriages than heterosexuals.

It is implied that the man masturbates after the corpse has been sufficiently mutilated.