You decide that this is what you want and press the button for "Muscle Growth."
At first, it seems like nothing's happening, but then you can feel a strange sort of pressure building up inside of your body - almost like a full-body hard-on. You look down at your forearms and immediately see that they're slowly getting thicker. Excited, you lift up your shirt and are amazed by the sight of a faintly outlined but clearly visible six pack. You watch in awe as it gets more defined, the muscles growing underneath your skin.
It's at this point that you become aware of your pants, which had previously fitted you rather loosely, but which now began to hug your legs and butt increasingly tightly. As you look down, you also notice the way your pecs are pushing outward, growing and swelling, your shirt already stretched rather tightly against your inflating upper body with its widening back, inflating shoulders and spreading lats.
You hit a double biceps pose and moan as you see the peaks rising higher and higher, and then higher again: swelling, thickening, becoming more massive with each passing second and straining against the sleeves of your shirt. You moan as your steadily growing quads begin to tear through the seams of your pants, and when you try to reach down and touch them you can not only feel your upper arms collide with the inflating mounds of your massive pecs, pushing them against each other, but you also hear your back muscles and lats tearing through your shirt.
You keep flexing and posing for a few added seconds, loving the added weight on your body, awed by the extent of your raw, manly power. When you're sure that you'd dwarf even the biggest bodybuilder on earth you decided that enough is enough; you press the button again, expecting the growth to stop.
For a second, you even believe that it's worked, but then you realize that the pressure in your body is still as strong. You look down at yourself and it's clear immediately that the growth hasn't stopped: your muscles are still swelling bigger and bigger, thickening, bulging, getting harder and stronger. You wonder for a second what might have gone wrong, but then you notice that the "Muscle Growth" button seems to have gotten stuck somehow.