It's a necessary evil. Normal human conversation tends to wander at some point. Eventually a topic has been analyzed to death and if you don't chuckle alittle or wax philosophical, then you might find yourself just sitting around waiting for news that's never coming or become lost in endless minutiae and go insane.
Did you notice in frame 197 how his left index finger twitched?
Oh yes, quite indeed. Clearly a sign of tea.
I thought they served coffee.
Hold on while I check my sources. Yes, in the corner of this set photo I can clearly see a coffee receipt.
Is that Gigers thumbprint?
I'll check the database.
Get us an address on that coffee shop. If it's still there, I'm going to take a photograph of it.
Shall I meet you there?
Splendid!
Sometimes a quick joke and a few giggles are good for morale.