I feel this is a very important statistic to be on record on these forums so please answer honestly. Any false information provided will result in physically painful consequences.
I fold my toilet paper very neatly to the size of one square, then fold it in half for extra thickness. How many squares I use usually depends on the brand and ply amount of the toilet paper.
I used to crumple until I realized the potential risk of not knowing exactly where your hand is relative to the mess.