Sooo i've been kinda okay lately but i have a problem that stuck with me for years: i don't know how to relax my hands when nervous. I usually tend to curl my hair and it's problematic for my back and shoulders. This happens when i'm using only one hand and the other HAS to do something, especially if i'm focusing a lot on a task.  Does a stress reliever toy really help or is it a waste of money? Do you have a similar problem?