"Man! Look at me!" ten-year-old Andrew grinned. "I'm all buff!"
"Well, you'll do sweet in gym class!" Mark chuckled.
"I'm gonna eat my chocolate bar..." Andrew said, as he opened the wrapper of his Mars bar and took his first bite. He quickly ate all of it before throwing the paper wrapper away.
"Ma... I'm still hungry.... I wonder why?" Andrew sighed.
Then, Andrew felt a slight rumbling sound coming from within his body.
Next, his biceps tingled and inflated even MORE, adding another inch to BOTH ARMS!
"Whooaa! My muscles grew some more!!!"
Mark looked on and gasped. Then he found a note attached to the muscle-vial.
"Side-effects include gradual permanent muscular growth when eating protein or when exercising." Mark read out loud.
"Uhh... What?" Andrew asked.
"You... You're gonna get bigger... Much bigger!" Mark said to his 10-year-old muscular cousin...