"OK, buddy, just stay calm, I'm sure there must be some simple explanation"
Secretly, Jake was beginning to enjoy this, Ben could tell. He had always had a crush on Ben, but felt inferior because of his towering height and build. Now Jake was getting a chance to be the big man.
Jake thought Ben looked cute at his new height. He must be about 5'3" even Jake estimated, and seemed to have shrunk in proportion, with impressively neat, if little, hands and feet. His voice was also noticeably higher and lighter.
"I can't go out looking like this" said Ben "look at my clothes"
"No problem" replied Jake "borrow mine, I've got my work out stuff with me, and I'll change into that"
Ben was feeling shameless now, he'd give Jake a show to remember.
He shucked off his jacket, cut for a man one foot taller than he now was, let his pants fall to the ground and stepped out of clownishly large shoes, at least six sizes too big for his new small guy feet. Off too came his shirt (the tails in any case flapping somewhere around the region of his knees) and letting go of the waistband of his boxers let these too fall to the ground, stepping out of them as naked as the day he was born.
Ben blushed as he caught a glimpse of a manhood that looked unlikely to outmeasure any other guy anytime soon...
Jake felt himself stiffen and handed Ben his small size tee, sweat pants and what Ben would not long beforehand would have thought of as itty bitty sneakers.
They fit.
They were even...a little loose.
Ben concentrated again. The small clothes went from a little loose to a little baggy. The sneakers grew roomier and Jake began to look not only bigger, but big.
He was now 5 foot one and half inches dead. A very little guy, and loving every minute of it!