One smile is better than none.
Don't cheap out on your child, though. You can afford three smiles, or five.
photo by Eva Witsel
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Do It.
If you're going to unschool, do it now and do it well.
Part of doing it "well" is moving into it deliberately and with clarity, and going gradually, but by "gradually" I don't mean over five or ten years. Childhood lives in weeks, days and hours, not in months, years and decades.