You feel something happening to your body. Now that the cursed swimsuit is completely damp, the magic is completing itself.
"What's happening?" asks Lon
"Impossible as it seems, I'm actually growing BIGGER!" you say.
Your vast belly remains the same size, but the rest of you seems to be growing! Your subjects jump off you as you alter. Your body is now 8 feet tall and almost as wide. Your thunder-thighs are like tree trunks, full of fat as well as muscle, and your horny, chubby feet are now a huge size 16. Your hands and arms have also grown bigger and stronger.
To your delight you find that as well as being bigger, stronger and just as fat you're regained your mobility. "I don't think you'll be needing that harness any more." you say, heaving yourself out of the pool and lowering the water level. "My body has altered to support my weight."
You stand upright, look down at your little subjects and wonder where you're going to get a towel big enough...