Kids say the darnedest things

I am  a happily married, working mom of two one 5 year old girl (sister) and 4 year old boy (brother) Ever since my children started talking they have said the funniest things, today was no exception...  When I dropped brother off at pre-school he runs out after me and says "Mom don't forget to wipe your but good when you go poop ok" Got it kid.