I completely agree--I have learned in my very short time being concussed that adrenaline is a help and a danger. I can trigger adrenaline to get me through meetings or discussions or tasks, and it is really helpful, but I pay the price. I have always lived on adrenaline in my very stressful job, but this is one of the silver linings for me. I'm learning how to identify when it's starting to run, slow it down, calm my heart rate and get through tasks without it. I think it's a big life lesson for me personally. too much adrenaline seriously shortens the duration of my productive time.