Andrew: "Mama....did you know that q can't go anywhere without u?"
Me: "Yep! So good that you remember that rule, Andrew! That will be a huge help to you when you're taking your spelling tests this year."
Andrew: "U can go out alone but q has to stay home if he's alone."
Me: "Keep reminding yourself of that when you're spelling words like....."
Andrew: (interrupting) "....like cutie!"