Letter writing lesson, anyone?

小tz: "Daddy, your boat very nice, I like it. Do you like my castle?"

Me: "Thank you. Yes, your castle is nice too."

小tz: "Thank you daddy. But daddy, the way you wrote the letter 'h' is not correct. It's only 1 stroke, not 2. Come, come. See... like this. Daddy, you practice writing it again."

Me: "... ... ..."