The entire film is about a man trying to have sex with women and teaching the viewer his tips.
A man and woman have sex. Afterwards, we see her breasts and butt as she leaves the bed and gets dressed.
The man is in bed with another woman. Oral sex is implied.
A woman works providing phone sex for clients. We hear her moaning and such multiple times.
The man gives oral sex to another woman. Nothing seen.
The woman goes under the sheets and is clearly interacting with his penis in some way.
A person lifts a skirt and a penis is shown.
A naked man and woman make out in bed. Nothing is seen except the side of her breast.