The film's characters have graphic descriptions of sex. and there are 14 adult jokes
On the scene where they are conversing laying on the bed after sex the male's penis is shown, the female is covered by the sheet.
the unrated version has more sex and graphic nudity
Four sex scenes one scene is with oral sex on a girl one with a girl performing a blowjob on a guy mark Ruffolo's penis is shown but it's dark to see.
The most explicit scene involves a woman giving a man oral sex; the penis can be seen fully erect and the woman sucking it, with the penis shown completely in her mouth. The scene is darkly lit, but the woman's mouth sucking the penis is shown in extreme closeup as she holds the penis move it in and out of her mouth with part of the head and shaft clearly visible.
Two characters have a conversation, in bed, after sex completely naked. Both male and female genitals are shown.
A man performs oral sex on a woman who is lying on her stomach in bed.
A woman masturbates in bed. Can only assume this, nothing visible to confirm.
Meg Ryan shows her breasts numerous times throughout the movie.