You don't really want to know do you?. How the heck does my body make THAT amount of snot in such a short space of time?
its mystically transfered to all politiciansWhat happens to your wind if you don't fart?
its a conspiracy they know from birth to hold on until its at the most inconvenient momentWhy do babies always poo 5 seconds after having a new nappy on?
...and why do small children (in nappies) poo just after you have got their boots, hat, scarf, gloves and coat on and got them strapped in the buggy ready to go out?
same answer
because they canWhy does the panel beater charge $250 extra to paint a car door , but if you tell him not paint it he only takes $50 off the bill?