When I was a kid, we used to have a radio/tape/CD player with a digital clock on it. Whenever I looked at it, as in whenever my body thought it would be a good idea to check the time, it was always something like 11:11 or 16:16.
You tend to only remember what seem those unusual times. And the more you freak out about it, and wonder what the hell's going on, the more you remember seeing them, and the more you look..
https://en.wikipedia.org/wiki/List_of_cognitive_biases#Frequ...