How widespread is this kind of behavior? - dirty habits

Post 275148 by red_alert_3 deleted for the following reason: This needs to be a bit more focused on the exact information you're looking for if it's going to work here. Right now it reads more like a "let's talk about these disgusting things" discussion starter and it really should be more tightly concentrated on a specific sub-question, sorry. -- goodnewsfortheinsane