Maria, when my daughter was around three or so, a friend's mother used to say to her grandson...Why can't you be like Michaela, sit down and read?

At 21 he was a qualified dentist!

Also, I once taught an African boy, a migrant here in Australia. He just couldn't sit down. He was a bright as a button, but every ten minutes or so he'd be up drumming on his desk, and singing. He was so loved.