You, a nerd, decide to walk into the store. The old man saw you and said, "welcome, unpopular one."
"How do you know I'm unpopular?" you ask.
"I just know. What may I help you with?"
"Just scientific curiosity," you said.
"Well then I have just the thing for you," the old man said. He then pulled out a game. "If you can figure this game out using your gifted scientific knowledge, I'll give it to you for free."
"Oh, that's easy," you said. Then you talk to the old man about the game, with a bunch of technobabble and using obscure scientific facts to explain the magical game.
"I'm impressed!" the old man says, so he gives you the game for free.
You, being introverted, took it home and started playing it by yourself. Suddenly, you start growing...