I know is hard to let go the "fiat price mentality" but is a must. I was in the same situation few years ago and always I was in a continuous frustratikn doing calculations etc until I said fuck it, this fiat is useless. So I start doing it the way around, fiat --> sat, in my mind and slowly my frustration was gone.

All this come from our "trained" mind forced to think only in fiat amount. As old users is very hard for us to get rid of it. Don't let your kids to fall in the same thinking as us. They are our future.

You are doing great job with them. Well done! May the Bitcoin be with them and with you!