Every time the wife argues with her husband, she will stay in the toilet for a long time. After several times husband asked her: " what's on with you in the toliet? Seems you can relax yourself in WC?!" Wife answered:" just wash the closestool."
Husband: " You can let you off with doing this?"
Wife: " I don't know. But every time what I use to wash the closestool is your teethbrush."