A scene where Ernie takes his shirt off before he kisses Donna is shown briefly several times. Right after that scene, Ernie and her are seen kissing in bed, but nudity is only implied and not shown; this scene is also shown briefly several times.
In the film Ernie takes advantage of two women at once.
Ernie lies in bed with Donna near the start of the film.
Ernie tells Donna he likes to write about girls.
Max invites Ernie to a party by telling him that there's gonna be "boobs, lots of girls, everything".
Ernie changes clothes in front of Donna. His underwear and toplessness is shown