“Breathe deeply so you don’t strain a muscle squealing at how cute she is!”
“Make sure you have lots of photo storage on your phone, you’re going to need it!”
Or, maybe even, “From now on, take a closer look before assuming someone dropped Cocoa Puffs on the living room rug!“
But seriously, if you knew someone who was adopting a rabbit for the first time and you could only give them one piece of advice, what would it be?