Homeschooling is not for the timid

When we started homeschooling, I thought that the kids would instantly love learning and be super smart. Well, they already are super smart. But we still get the whine "I don't like school." When my wife asks what they don't like they can't point to anything in particular, except that they have to "do math sheets" and write actual words on paper. When given specifics (Mom reading to them, building projects, etc.) they love those, but they still "don't like school." I was genuinely surprised at that.