The old woman put an arm around Biff and led him towards a parked car, but Biff resisted, pushing her off of him and backing away.
The woman turned and gave Biff a confused and alarmed look. "Honey, what's wrong?"
"Listen lady, I don't know who you are, but ..."
"Biff! You know very well that I'm your grandmother. Now show me some respect."
Grandmother? he thought. She's not my grandmother. As he thought that, his body became more slender, his pronounced muscles fading away. And his hair became a bit longer, tickling his ears, as the hair over the rest of his body disappeared completely.
