Try the Cone of Silence
As said in your other thread, most people seem to prefer actually talking to each other over making the game a little shorter.
Yeah, it’s also a social thing.
And thinking about the situation is part of the fun (well, it is for me)
Some turns take more thinking than others (for example when there are many moves that need to be in sync)
So: get a chess clock, that way at least both parties have about the same time