I just make faces with mine, do stupid things, make a little dance and generally act stupid. I talk to them a little but never anything serious. Most days, other than my wife, they’re the only individual I get to share a laugh with in person.
Whatever you say or do … say hi to them for me.
We have a staring contest for a long while in the morning and then we both exclaim, “FUCK YOU!”
Show them up next time and shout … “I LOVE YOU!” … bet you it will surprise them, they won’t see it coming.