I think trauma is different. It’s more like scar tissue in your psyche, caused by a specific event but affecting the shape of your thoughts and inclinations in

I think trauma is different. It’s more like scar tissue in your psyche, caused by a specific event but affecting the shape of your thoughts and inclinations in general. Regret is conscious reflection on past mistakes, imagining how things could have been, etc. A bad experience can lead to regret, or trauma, or both, or neither.