"I took a picture of your bum!"
"Oh! So you did. Thanks, Ella."
I will have to check an etiquette book. Because, to be honest, I wasn't sure what the polite response was to someone taking a picture of my rear.
In other news, Max can get himself into the sitting position independently. As of 3:30am today. You will go far, son. But not that far if you keep waking up ready to begin a new day at 3:30 every morning. That choice will bring you nothing but broken, exhausted parents.