An excerpt from David Eagleman's Sum: Forty Tales From The Afterlives:
In the afterlife you relive all your experiences, but this time with the events reshuffled into a new order: all the moments that share a quality are grouped together.
You spend two months driving the street in front of your house, seven months having sex. You sleep for thirty years without opening your eyes. For five months straight you flip through magazines while sitting on a toilet.
You take all your pain at once, all twenty-seven intense hours of it. Bones break, cars crash, skin is cut, babies are born. Once you make it through, it’s agony-free for the rest of your afterlife.
But that doesn’t mean it’s always pleasant.
Continued here and well worth reading in full.
(Hat tip: Kottke)