My girlfriend has a new yoga instructor. The guy is in such good shape and I feel uncomfortable about my girlfriend going to his classes. 
My girlfriend has a new yoga instructor names Mark. He is such good shape, I feel a bit weird about her going to his classes.
user
Don't worry bout that.  She has to have some sort of fantasy in her life.  Don't you have any ever?
assistant
Well yes, my instructor Marissa is so dreamy. But still... I see the way she looks at Mark.
user
Well know that it isn't any different from you checking out other girls too.
assistant