The protagonist referers to his penis as a "hose".
In a sequence of flashbacks resuming the protagonist's failed attempts to lose his virginity, he is briefly shown in underwear.
A son asks his elderly father what does he do if he has a sexual urge. He says he just "let's it flow naturally", implying wet dreams.
As a birthday present, father orders his 30 year old virgin son a prostitute. She is shown wearing just bra and panties. When his girlfriend arrives, the son makes the father lose his shirt to make it look like the prostitute is his companion.
The male protagonist is shown shirtless as he is about to lose his virginity, but gets interrupted before anything happens.
It's implied that protagonist gets an unwanted erection, as he is putting several heavy books on his crotch. He's later having a cold shower.
Some dialogues about impotence.
A man is briefly shown shirtless while taking a bath. In shorts, for some reason.
After he kisses her, a woman starts uncontrollably sexually moaning in front of a protagonsit. No nudity, both are dressed.
A man strips off the top of his pajamas to prove his masculinity.
A man makes an obscene two-hand gesture implying sex.
A man is shown shirtless as his wife wakes him up and dries his hair.
A sort of sex scene, that's mostly happening under a bed blanket. Only two pairs of bare feet and glimpses of the man's shirtlessnes are shown.