My sister's friend group had an opposite group communication style. Every conversation I overheard went something like:

"We're going to Hawaii next month."

"We went to Hawaii last year."

"Oh, we went to Mexico last year."

"We might go to Mexico someday."

"I've heard of Mexico..."

Zero substance, no followup questions, no apparent interest in what anyone else is saying except as cues to say something else. "I just got a new car." "I have a car too." "I'm saying something about cars." "My cousin talks about cars." "I have three cousins."