It's never too late in life to find out you have an archenemies.

There's a guy at my gym who did not return his weights back to the rack after his work out. He is my nemesis, but he does not know it. I've never talked to the guy, but whenever I see him I'm like "There's that fucking guy again." Worst part is that we actually study at the same university so I see him every now and then at the campus and I'm like " that guy, who ever he is."