Forget the endgame, how many hours of my life can I spend comparing one piece of equipment to one very-barley-sort-of-slightly-better piece of equipment until I

Forget the endgame, how many hours of my life can I spend comparing one piece of equipment to one very-barley-sort-of-slightly-better piece of equipment until I've cycled through literally hundreds of pieces of equipment, each promising an imperceptible improvement to my ability to kill another thousand samey bad guys? I don't know how many hours exactly, but I know I hit that limit sometimes in my early 20's.