yeah my last project ('how much does your bladder hold?') is on a temporary standstill untill i remember to piss in a graduated nalgene bottle when ive really gotta go.
HOW DO WE KNOW THAT IT'S ACTUALLY IN HIS ASS, IT'S QUITE POSSIBLE BY THE ANGLE THAT HE HAS THE NECK HUGGED BETWEEN HIS ASS CHEEKS! PLUS HIS CHEEKS SEEM TO BE FLEXED!
(I could be wrong, but I refuse to take another look)