Emotional maturity is feeling the whole storm and still picking your words like the sky is clear.

Maturity is not calm on the inside. It is feeling the full weight of something and still choosing what leaves your mouth, which is a skill rather than a temperament. The gap between what you feel and what you say is where most of the damage does or does not happen.

Build yourself a delay. Draft the message and send it an hour later, or say you need a minute before you answer. That pause is not suppression. It is just enough room to pick the version of the sentence you can live with tomorrow.