We all have them. Sometimes we annoy ourselves. Sometimes others. I've seen lots of odd habits and idiosyncrasies, and have read about others. However, I've encountered someone who has an odd habit for which Google seems to come up empty.
What might cause a person to rub his hands together briskly every minute or so? The environment is not a cold one, but I thought he might have circulation problems that cause his hands to always be cold. This is a young man, so I'm questioning the circulation problems.