I shuffle my chips all the time, it's just a habit. I'm usually nervous, anxious, and so excited. I just gotta fiddle with something.
I'm just an amateur counter but I know my basics pretty darn well. So if I go hit up the tables with some friends, it's really annoying when they ask for advice, disregard it, win the hand, and then start bashing me like I'm an idiot and don't know how to play. Like when they stay on A,7 v 10 and win, or double their 9 v 8 and win.
It drives me nuts.