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Good for him that he is doing great with all the great activities

He was still too packed for today's schedule and he was very tired in the evening.

hehe he loves being busy. What’s cram school ?

It is a place to go to study, separate from school. In Japan, it is called "Juku.

Your son is a great athlete, he's like me, I don't like to be doing nothing

I think you are wonderful and full of energy. When I have a lot of plans I get tired just thinking about them.