Why does the same behavior land so differently depending on who’s doing it? Jump in on a coworker mid-sentence during a meeting and it can feel like getting cut off. Do the same thing with a sibling who talks exactly like you do, fast, looping back, finishing each other’s sentences, and it barely registers as a break in the conversation at all.
Put those two people on a family phone call together and the coworker would probably feel steamrolled inside the first five minutes, while the sibling wouldn’t notice anything unusual at all. Something is clearly different between those situations, and it isn’t politeness.
The obvious guess is personality. Some people are just naturally more talkative, more assertive, more willing to jump into a conversation. That guess captures something real, but it undersells a bigger pattern sitting underneath it: a great deal of interrupting traces back to where someone learned to talk, long before anything about their personality comes into play. The habit gets set at a kitchen table years before it ever shows up in a meeting room.
What actually counts as an interruption
Linguists split interruptions into two rough categories, and only one of them is genuinely rude. The first is the kind everyone recognizes: talking over someone to shut them down, change the subject, or grab control of the floor. The second is sometimes called cooperative overlap, jumping in with a quick word of agreement, finishing someone’s sentence for them, or an eager “yes, exactly” before they’re fully done talking. The intent behind the second kind is closeness. It just doesn’t always read that way to the person on the receiving end, especially if that person has spent a lifetime treating any overlap as a signal to stop talking.
Whether an overlap gets heard as warmth or as a shove usually depends on what each listener is used to. Someone raised around a lot of overlapping talk expects it and barely registers it when it happens. Someone raised around longer pauses and strict turn-taking notices immediately, and it can land as rudeness even when nothing rude was intended. Neither reaction is an overreaction. Each person is measuring the conversation against a different, perfectly reasonable baseline.
Same dinner table, two different rhythms
The clearest documentation of this comes from linguist Deborah Tannen, a University Professor at Georgetown, who recorded and transcribed an entire Thanksgiving dinner conversation among six friends for her book Conversational Style. Three of the six speakers, all of New York Jewish background, used what she named a high-involvement style: fast turn-taking, frequent overlap, and comfort with talking along as a sign of engagement. The other three used a slower, more spaced-out style, waiting for a clear pause before speaking. Both groups were fluent and comfortable inside their own rhythm, at the same table, over the same meal.
The friends with the high-involvement style weren’t trying to dominate the table, and the friends with the slower style weren’t checked out. Each group was doing exactly what felt natural and polite inside its own conversational habits. Friction only showed up where the two rhythms met, when the pause one group was listening for never lasted long enough for the other group to register it as an opening. From the outside, it could look like one half of the table was rude and the other half was withdrawn. From the inside, both halves were just talking normally.
Where the rhythm gets set
None of this gets decided at the dinner table itself. It gets set years earlier, at whatever table a person grew up eating at. In households and communities where conversation moves fast and everyone talks a little over everyone else, kids learn early that airtime is something you take, you jump in, or you don’t get heard. In households where turns get handed out more formally, with space between speakers and a clear sense of whose turn is next, kids learn a different lesson: airtime is something you’re given, and grabbing for it looks pushy. Region, ethnic background, and even birth order all feed into which lesson sticks.
Neither lesson is wrong. Both produce fluent, comfortable conversation among people who share the same expectations going in. The friction only shows up later, when someone who learned to claim airtime sits across from someone who learned to wait for it, and each one is quietly running a different scorecard for what counted as their turn. People who grow up moving between both worlds, a fast-talking extended family and a quieter workplace, for instance, often end up fluent in both rhythms and can shift between them without thinking much about it.
When the rhythms collide
In an interview about exactly this kind of mismatch, Tannen made the point plainly: when two people run on different conversational rhythms, “in their mind, they’re not interrupting.” The overlap that feels aggressive to one person can feel like nothing more than enthusiasm to the other, because each person is applying the rules they grew up with, while the other person is working from a completely different set. Knowing that doesn’t erase the friction in the moment. Over time, it can shift the question people ask afterward toward upbringing instead of character.
That reframe doesn’t fix every awkward group chat or family dinner where one person seems to talk over everyone else. It does suggest a more useful question to ask afterward: which rhythm did each person learn first, and were the two rhythms ever going to sync up without somebody noticing the gap? A slower talker in a fast-talking group can try counting a beat before jumping in on purpose, giving the quieter members room to land a sentence. A fast talker in a slower group can try treating a pause as an invitation rather than a dead spot, since for some people it’s exactly that.
Which brings the coworker and the sibling back into view. Mechanically, the overlapping chatter and the mid-sentence jump can be the exact same behavior. What differs is the rhythm each relationship runs on, built up over years at very different tables. Knowing that doesn’t make an interruption feel less jarring in the moment. Most of the time, though, the person doing it is just talking the only way they know how, airtime included.
