Doesn't checking things off a list give you a sense of satisfaction?
Denny has gone through a mental (and verbal) checklist for decades - tie, badge, glasses.... As his work dress code changed, the words he says stayed the same but they mean different things to him depending on where he's going. I don't see how he keeps up with what each word refers to now. Maybe it's a memory building exercise for him.
Do you know the adult version of Head and Shoulders Knees and Toes?
Wallet, Glasses, Keys and Phone, Keys and Phone...
Here are two versions on YouTube you may enjoy.
Wallet, Glasses, Keys, and Phone by Luke Price
Wallet, Sunglasses, Keys and Phone by Cora Blue
And for extra help, you too can own this helpful doormat. Get it on Amazon. ✅