Hi!

At work, Lily gets waved at dozens of times a day. On Tuesday, we were eating lunch in our lounge and a coworker called to Lily and waved hi. She looked at him for a minute, then waved back. Of course the lunch-room erupted in "awww" and "so cute" and applause. So Lily, ever the people-pleaser (and equally pleased with herself) continued to wave. Now she waves at us when she hears "hi!"