She thought it would be easier to convince a kid she didnt know. If the kid was small enough she could say its magic and she would transform in front of them. Plus stranger, she wouldnt need to explain later on.
Leah found a boy who looked to be around her current age and she went up to them. He was by himself so he was perfect. Leah walked up to him.
"Want to magic?" asked the boy
"Yeah" said the boy
"Ok tell me I look older and Ill be older" said Leah
"Nuh uh. Kids dont get bigger" said the little
"I will. Do it and see"
"Ok then you look....