I burned out my drawing hand by using it too much. The common word for it is writer's cramp. The fancy words for it are focal dystonia. The symptom in my case was a pinky finger that went spastic when I tried to draw. ↗
Life is short and we have never too much time for gladdening the hearts of those who are travelling the dark journey with us. Oh be swift to love, make haste to be kind. ↗
As to judging our own time, and thereby gaining some basis for a judgment of future possibilities, we are doubtless not only too close to it to appraise it but too much formed by it and enclosed within it to do so. ↗
I have to concentrate more intently when people speak. I always have to position myself on their right side so that I can hear out of my left ear. I sometimes get a crick in my neck from listening. But I don't there's too much else. ↗