It’s a surprisingly common private worry and it almost never gets asked out loud, which is exactly why it’s worth answering plainly.
What actually happens
Very little, and that’s the point.
Someone usually passes tissues or, on video, says something brief. The room doesn’t stop. Nobody rushes to reassure you, because a well-run group doesn’t treat distress as an emergency to be managed — and being allowed to be upset without anyone tidying it away is, for a lot of people, the first time that has happened in adult life.
Then the conversation continues, usually with you in it.
Why it isn’t the disaster you’re picturing
The dread is usually about one of three things.
Being a burden. That your distress will cost the group something. In practice it does the opposite — groups reliably report that the session someone finally cried in is the one where the group became real. It gives everyone else permission.
Losing control. Almost nobody does. What people describe is being more upset than they intended and entirely able to speak within a minute or two.
Being seen. Which is the actual fear, and which is also the treatment. A room of people who watched you cry and didn’t think less of you is direct evidence against a belief that has probably been running for decades.
On video specifically
It’s more exposed in one respect — your face fills a rectangle and there’s nowhere to look down to. And less exposed in another: nobody is physically next to you, and you can mute for a moment.
People commonly turn their camera off briefly. Most leaders are fine with that and will say so; some will gently encourage staying visible, because disappearing at the difficult moment is the pattern rather than the solution.
The version worth watching
There’s one thing a good leader will eventually notice — someone who cries every week, in a way that ends the conversation and pulls the group toward looking after them.
That isn’t a moral failing and it’s a pattern worth naming, because it usually means the same thing happens outside the room and nobody has ever mentioned it. That kind of feedback is what a group is for.
The practical answer
Have tissues nearby, keep water in reach, and know that you’re allowed to say “give me a minute.”
And if you would rather it not be a surprise, say it in the screening call — that you cry easily and would rather not have a fuss made. Leaders find that genuinely useful to know.