"'It’s called charcoal,' Trump told reporters Thursday, touting the contrast with the White House’s white walls."

"The renovation project was begun last month, with the president eager to replace decades-old beige Tennessee flagstone with his handpicked dark granite slabs before the royal visit, said two people who spoke on the condition of anonymity to describe White House operations.... The president has personally inspected the renovations and offered feedback to workers, drawing on his experience as a builder, say current and former officials. He has interrupted policy meetings to extol the changes — a phenomenon captured on camera Thursday, when he repeatedly encouraged reporters attending a drug price announcement in the Oval Office to look at the new granite floor outside. 'It’s a beautiful job, and it’s going up nice,' the president said."

From "Trump eager to show off latest White House project to King Charles/The president’s black granite path is the newest change to the West Wing, following gold lettering, Oval Office gilding and a 'Presidential Walk of Fame'" (WaPo).

Some of us might feel — if we were to have installed a differently colored floor and kept pointing it out to visitors — embarrassed. I know that if I did something like that — repeatedly interrupting serious talk about one thing to point out something frivolous — I'd remember it for the rest of my life, cringe at each remembering, and maybe even say out loud "I'm such an idiot." But Trump doesn't do that. He has no qualms. He flits. He weaves. And he's delighted with himself. I don't know. Is it too late for me? Can I gesture at the floor and be all "It's called charcoal" or at the pool and proclaim "It’s called American flag blue."

Notice that he's not just into the colors. He's into the specific words for the colors — It's called.... He doesn't just stop everything to talk about colors. He talks about language. Make fun of him all you like — here's "The Daily Show" mocking him for dwelling on the word "groceries" — he'll still discourse on whatever glittering item of verbiage catches his attention. He doesn't get embarrassed, but wouldn't you be embarrassed?