Instead of verbalizing, "Thanks for the drink," a perfect substitute? Knowing nod.
Greeting at doorway of restaurant, office, mailbox? Anywhere really. Knowing nod.
You don't need a hand written thank-you note. What do you need? Knowing nod.
"That was very gentlemanly of you to let me out of the turn only lane." Knowing nod.
"Nice putt." Knowing nod.
"Glad you put that loud-mouthed drunk in his place." Knowing nod.
"What's the score?" Knowing nod. (In direction of TV set with said game)
As the AMC theater is always ready to note...
Silence Is Golden® (Yes, they claim to have it trademarked.)
And now our daily feature on quotes harvested from Deadwood concerning politics (or anything else I find interesting).
"If we're going to be surprised by that, boys—government being government—will we next be shocked by the rivers running and the trees casting f---ing shade?"