It helps prevent illness because they washed their hands and if they didn't 1 that would be nasty and 2 no one want pee or poop on their food that they are going to eat.
Sex can have negative health consequences. Negative outcomes include, unwanted pregnancy, sexually transmitted infections, internal injury etc.
Answer:
All I know about this is that radio stations use it as the title of promotions. You have to listen to the station to hear a particular phrase announced, which you then say if somebody from the station phones you (I think that's how it works). If you utter the designated phrase, you get cash. So there is no one phrase that pays.