Brushing your teeth

We want Sammy to acquire the habint of always brushing his teeth before going to bed, so Mummy always reminds him, “Sammy, brush your teeth”. 

But Sammy is still confused about the difference between “my” and “your”.  One night, in the living room:

Mummy: Where is Sammy?

Sammy comes running in from the kitchen, toothbrush in hand.

Sammy: I’m brushing your teeth!

… and then runs back to the kitchen.

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