You should talk about your habits as a child regarding keeping your room clean and organized. You can mention whether you liked tidying up or if your parents encouraged you to do so, and how you felt about it.

子供の頃の部屋をきれいに整理整頓する習慣について話すべきです。 '''You should talk about your habits as a child regarding keeping your room clean and organized.''' 整理整頓が好きだったか、両親に促されたか、そしてそれについてどう感じていたかを述べてもよいでしょう。