He calls her “Honey!”
“Honey? Do you need help? Honey? Honey! Sweetie!! Here’s where you get a stick to dig with. Honey! Do you want a turn in the game? Do you want the BIIIIG Helicopter? It has the biggest bullets.”
And, sometimes, “HONEY!!! STOP DOING THAT!!! SWEEEEETIE! KNOCK IT OFFF!!!!!”
And they bicker. And fight. As 18 months-old-apart-siblings will.
But he calls her “Honey.”
And she allows it.