"Okay, okay," he says. "I'm sorry. Here." He holds out the flashlight. "You can have the flashlight back."
"Thanks," you say, reaching for it. As you do, you have a sudden premonition, but by then it's too late. Gene's thumb flicks the power switch on and off quickly, briefly bathing your chest in pink light. It's not enough to make any radical changes - just the slightest of swelling - but because it's a change at all, reality has to change with it.
You gasp as you stagger back, staring down at your chest. "What have you...what did you..." You're fighting as hard as you can to stave off the new memories, but you were right earlier - it's a lot harder than just remembering a hand. After only a moment more, your will breaks and the memories rush in: the teasing as you reached puberty and became the only boy to grow breasts, the final acceptance of your body when your figure became too pronounced to hide, the joy you felt when you found the flashlight and could finally make the rest of your body match whatever twist of DNA had given you developed breasts.
You blink, looking at Gene. "Hey, my eyes are up here," you tease, but secretly you're pleased to find his attention on your breasts. For the first time in your life you don't have to feel awkward about looking like half a woman, because you've made yourself into a full woman. You feel your cock stirring at Gene's attention and amend that to "almost a full woman".
"Sorry, I was just wondering," Gene said, "have your boobs always been that big?" You roll your eyes. Gene's flattery wasn't exactly subtle, but it still made you feel good.
"Come on, Gene," you say. "You know they've been like this since high school." That, at least, you can admit is true, even if you don't want Gene to know about changing the rest of yourself to be his girlfriend. But there's something in Gene's eyes that you don't like.
"Interesting," Gene said. "You actually believe that one now, unlike when you told me you had always been Lizzy."
You feel your blood run cold. Somehow he knew that you weren't a girl, that you had been a boy before, but how? Then your eyes fall on the answer: the flashlight in Gene's hands. He knew about the flashlight, so he knew it could be done and must have guessed from your expressions. But what had he said? "You actually believe that one now"? Your cold blood seemed to turn to ice as you realized the implication of that. He had used the flashlight on your breasts and changed them somehow. No, that wasn't right. You couldn't have had breasts before, even though you remember clearly having them for as long as you can remember.