Why do I apologise when I did nothing wrong?

Often because your bar for what counts as an offence sits low. In two studies published in Psychological Science (Schumann & Ross, 2010), people kept diaries of every offence they committed or received. The people who apologised more were not more willing to apologise — they were counting more things as worth apologising for. Given the same event, they rated it as more serious. If your bar is low, you will say sorry constantly without having done more wrong than anyone else.

Usually one of four jobs, and none of them is repair. It drops the temperature fast. It takes responsibility for how the other person feels. It makes a request sound smaller than it is, so refusing it costs them nothing. Or it buys back safety after you said something real. A useful question is not was I wrong to apologise. It is what was I trying to make safer.

The habit it belongs to has a well-documented cost. Psychologists call it self-silencing: holding back what you think and want in order to keep a relationship calm. A meta-analysis of 42 studies covering 10,108 people (Pintea & Gatea, 2021, Journal of Social and Clinical Psychology) found a moderate link between self-silencing and depression (r = .39). One sorry is not self-silencing. A conversation where every request arrives pre-apologised for is closer to it.

It ends the exchange. That is not the same as settling it. The communication pattern most consistently tied to unhappy relationships is the one where one person presses and the other shuts it down — 74 studies, 14,255 people (Schrodt, Witt & Shimkowski, 2014, Communication Monographs), and it was equally bad whichever person played which part. An apology that closes the subject early is one way to shut it down, though the studies measured the pattern and not the sorry itself. The tension goes. The thing that caused it does not.

Say the thing the sorry was wrapped around. You can still be kind about how hard the conversation is. You do not have to apologise for having a question.
Instead of: “Sorry, I know I’m being annoying about this.”
Try: “I know this is hard to talk about. I want to understand what’s going on.”
Same warmth. The request survives.

No. Some apologies are the real thing. When you did something that landed badly, saying so is repair and it works. The question was never whether to apologise. It is whether the sorry replaced what you meant to say. One apology in a conversation is care. Four is a pattern, and the pattern is worth looking at.

Movecheck has a name for this one: the brace. You open with a disclaimer before you say what you need — sorry to bother you, I know this is a lot — and manage their reaction before they have had one. Upload one conversation and Movecheck names the moves you made in it and shows the exact line each name came from. It reads both sides and only ever names yours. No score. No type. No verdict about either of you.

• Schumann & Ross, Why women apologize more than men: gender differences in thresholds for perceiving offensive behavior, Psychological Science, 21(11), 1649–1655 (2010). doi.org/10.1177/0956797610384150
• Pintea & Gatea, The relationship between self-silencing and depression: a meta-analysis, Journal of Social and Clinical Psychology, 40(4), 333–358 (2021). doi.org/10.1521/jscp.2021.40.4.333
• Schrodt, Witt & Shimkowski, A meta-analytical review of the demand/withdraw pattern of interaction, Communication Monographs, 81(1), 28–58 (2014). doi.org/10.1080/03637751.2013.813632
• Jack & Dill, The Silencing the Self Scale: schemas of intimacy associated with depression in women, Psychology of Women Quarterly, 16(1), 97–106 (1992), the source of the self-silencing measure used above. doi.org/10.1111/j.1471-6402.1992.tb00242.x