1.   A story went around that she had been having an affair.

2.   And to make matters worse, it was a white guy my mum had an affair with.

3.   Clare was haunted by the fear that her husband was having an affair.

4.   He accused his wife of having an affair.

5.   He had an affair with his boss that lasted six years.

6.   I had no idea that Mike had an affair with Carolyn!

7.   I remember one time when she had an affair with a guy who ran some store in the mall.

8.   It is an open secret that she is having an affair with another man.

9.   It was an open secret that he was having an affair.

10.   Politicians still risk having affairs, knowing the massive media attention they attract.