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haha:))
I need to take some more classes yeah?:) Ok! But only if Vlad is my teacher, his lessons are free at least;)) the painter takes 10$ for every class;))

Yup! Sounds like a fair price actually, at least for Romania.

Does Caleb go anywhere when he is without you? What would you do to check what happens behind the closed door? Or Mom needs just feel if a teacher is Ok or not?

I dont know how to answer this. Its a mix of many facts, feelings and observations.
Usually, wherever I brought him (for example chess or math), I stayed for a few times in the beginning to observe teacher's way of being and how she acts with children. Also I am paying attention to evert detail on the way.