A causality exists in which after spending enough time with your best friend you start to dress, look, act, and eventually think the same as each other.
“Notice how those two guys sitting together on the bus have the same sunglasses, rings, haircuts, phone brand, shoes, etc. That’s the doppelganger effect. And look in the seats behind them are two girls who dress, tilt their heads and even laugh exactly like each other too”
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)