Shot of a man sitting in a chair with his fingers unlocked, rubbing his hands together

black background man khaki shorts arms khaki male hands medium shot caucasian shorts hand gesture front lighting studio nervous tshirt nervous habits nervousness playing with hands black habits moody wait chin down handrubbing gesture anxious stressed waiting mental health light anxiety rubbing stressful sign front disorder chin stress signing shadows rubbing hands together cold sympton white rub together playing shivering