^ The power of the dots.
Also, yeah its pretty wierd, though its logical.
If you do something satisfying you want to see yourself while doing it.
Especially while you are high, the thc is eating all of your sugar wich makes the pringles even more satisfying, wich explain why you managed to watch yourself for so long. (also you were high lol)
There exist people who enjoy watching themself poop with a mirror in front, my brother was a prime example, though he was like 8-9 years old.
Ohlawdy.