On TV, why does the wife always lotion her hands before going to bed?

On several television shows, you'll usually see the wife rub lotion on her hands before going to bed. Why do they do that in like almost every television show?


example: Some I saw recently: Yes Dear, King of Queens, Everybody loves raymond, Brady Bunch, (Some movies too I believe).On TV, why does the wife always lotion her hands before going to bed?
IDK, for the husband's comfort? ;pOn TV, why does the wife always lotion her hands before going to bed?
hhhh ,, idon't know why