When your "Just a few minutes" of playing Becomes "Just a few hours". Thus making you late for class.
"There's a dark side to each and every human soul. We wish we were Obi-Wan Kenobi, and for the most part we are, but there's a little Darth Vader in all of us. Thing is, this ain't no either-or proposition. We're talking about dialectics, the good and the bad merging into us. You can run but you can't hide. My experience? Face the darkness. Stare it down. Own it. As brother Nietzsche said, being human is a complicated gig. So give that ol' dark night of the soul a hug. Howl the eternal yes!"