He wrote down 5 wishes and walked back to the genie. The genie looked at the paper and snapped his fingers. When he did, he disappeared in a cloud of smoke. On the floor was a piece of paper with 5 check marks on them.
Dave picked up the paper and saw the 5 wishes.
"I can do almost anything with these new powers." he said to himself.
"So all I can do is change someone's age and only I can remember it." he said, "I can also change the environment and minds of the people who knew or saw the transformation. I can even convince people to do what I say. Not to mention I can change my/someone's clothing."
"Now who to test this on." he said.