The act of tea-bagging is usually done when the victim have ceased all life-functions. The main reason is that during the bagging, breathing or the act of talking tickles. And there are also the minor inconvenience of retaliatory mastication.
It's one of those relationships where they just automatically amplify each others' random intrusive thoughts. Also, these two both have a certain fondness for puerile toilet humour so... _yeah._
