Rejoining a group is easier when somebody explains the changes without making you feel late.

Coming back after time away means walking into a room where the shorthand has moved on without you. New names, new tools, a running joke you do not have: none of it is hard to learn, but asking about all of it feels like admitting you fell behind. One person who volunteers the updates plainly, before you have to ask, removes the whole problem; catching someone up is a small act that decides whether they stay.

When someone returns from leave, illness or a long absence, take ten minutes and tell them what changed. Give it as news, not as a summary of what they missed.