I have several "comfort objects", of one kind or another. I have a pad of paper at work which I use to draw things to make me feel more relaxed - and when I start to get nervous or agitated, I tend to start touching places on my skull: the small dent in the back, or the scar from my surgery just above the right temple.
And when I have them with me, I tend to keep hold of at least one of my action figures if I feel on edge. Shifting their poses or just simply holding them makes me feel a lot better.
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Why so serious?