Mewtwo imitated the trainer’s actions. Putting their own hand up against it. Looking up with a confused expression they brought their hand back.
‘What do I do with milk?’

“Well, y’drink it. It’s full of yummy vitamins so it’s good for you. Would you like me to help?”
Rebecca offered her hand to the little Pokemon. She’d plop her rear onto the bed to make things easier if they accepted.