trigger for me is being held down.
I have managed to control my response to the point where I request my partner to release me if he is refusing to give up his hug. When I word it a certain way, he realises what I'm doing, and what he is doing, and releases me immediately.
Although sometimes he is a bit thick, and really doesn't listen to what I'm saying, and that's when I fight to stop myself lashing out physically, although I did recently, because my partner was having some fun by biting the soft underside of my arm whilst I was sitting on the side of the bed.
I had just had a night of nightmares, and was feeling particularly fragile, and the pain was pushing my boundaries, and when he didn't stop I snapped and slapped him on top of the head.
I felt really bad afterwards, and apologized to him.
A trigger for me, is being physically restrained which makes me feel panicky and want to lash out to break free, because my ex used to pin me down and rape me, and my father used to corner me, pin me down to the floor and beat me til I couldn't move.
My brother in law and I have a very bad history, and upon the knowledge that I would have to deal with him at a family dinner, the 3 days prior saw my appetite drop, feel really shaky and unable to sleep.
The dinner went without event, but I've been having nightmares for the past 3 days since then.
That, for me, is a stressor.