"Listen, Mike," I said. "There's something I need to share with you."
Mike turned his attention from the game, "Huh? You're not coming out, are you? 'Cause if you are-"
"No, nothing like that," I interrupted. Humans could be so dense sometimes. "I have a... unique ability."
"What do you mean?"
"Well, I can alter reality in any way I want, just with a thought. I can change anything about the universe, from the tiniest detail to the very laws of physics."
Mike looked at me for a moment, then started laughing. "Wow, that's pretty good. I've known you since high school and you still get me with that weird stuff sometimes."
"That's what you think," I replied.
"Huh?"
"Nevermind. I'll demonstrate for you."
Then, as if on cue, Brian (another of Mike's roommates) entered the room. Mike was still chuckling a bit, and he looked up at Brian. "Hey Brian, John here seems to think he's a god or something. Says he can 'change the fabric of reality' or some shit."
Without a thought, and in less time than it took for Mike's words to hit Brian's ears, the change was already over. Brian had been completely transformed from head to toe into a sexy lingerie model, wearing nothing but, well, sexy lingerie.
The new Brian giggled, "That's so silly. You boys come up with, like, the strangest ideas sometimes." She turned and strutted into Brian's bedroom, walking as though she were a model on a catwalk, as though she were born in high heels, and closed the door.
"Holy shit, dude!" Mike said once he regained his composure. "What the hell did you do to Brian?"
"Well, to him and the rest of the world, I didn't do anything. For anyone but us, Brian has always looked like that, and always goes around wearing skimpy lingerie. You should see what she wears to parties."
"But... but..." Mike was clearly confused. I tempered his confusion a bit, sometimes drastic changes can test a persons sanity. Luckily I had total control over that too.
"Relax Mike, I can change him back if you like."
Mike thought for a moment.
