"... whenever I have a moments pause while waiting in line or stopped in traffic" I've noticed this as well, and it really bothers me. I wonder why I can't sit

"... whenever I have a moments pause while waiting in line or stopped in traffic" I've noticed this as well, and it really bothers me. I wonder why I can't sit through a stoplight without a distraction, and I realize it must not be a healthy thing that I've developed.