That sounds like "The Graduate"; although the boy in this movie was a bit older than 18, but still fairly young.
No, but he fantasies about her, when he is having sex with other women.
There are several movies about a married mom that has had an affair. Some examples of this type of movie is, "The Good Wife" and "The Descendants".
Butterfly on a wheel
No, she is married to Don Gummer, a sculptor and has been for over 30 years.
Rear Window
Only in the movie Shakespeare in Love. We have no record of his having an affair with anyone, and the Viola character in the movie is fictional.
No, but he fantasies about her, when he is having sex with other women.
There are several movies about a married mom that has had an affair. Some examples of this type of movie is, "The Good Wife" and "The Descendants".
"Burning Bridges"
scar andzira
Arachnophobia
It means that he is having an affair, and you should kick his butt to the curb....
Butterfly on a wheel
Last affair
No, she is married to Don Gummer, a sculptor and has been for over 30 years.
four (1984, 1988, 1997 & 1998)
"An Affair to Remember" an affair to remember