Episode 28 of "Sex and the city"
s02e16 Was It Good for You ?

Carrie meets a man and they go out for coffee. She gives him her phone number and when he doesn't call she wonders what she might of done to turn him off. She later runs into him in the street and he tells her the reason he didn't call is because he's an alcoholic and his AA sponsor told him that he shouldn't start any new relationships for at least a year. He throws caution to the wind and embarks on a relationship with Carrie. Soon enough though he becomes addicted to her instead of alcohol so she has to cut him off, which leads him to alcohol addiction once again. Charlotte thinks she's bad in bed when a guy falls asleep while making love to her so she enrolls herself in a tantric sex workshop and signs Carrie, Samantha and Miranda up as well. They go to the workshop and they all learn how to please their partner without actually having sex and Miranda accidently gets hit by flying ejaculate. Samantha agrees to have sex with a gay couple she knows but when the couple can't go through with it she thinks there's something wrong with her.