A Good Time Is Had by Us

Personality type theories have provided Mrs. Bear and me with an unending source of amusement (the heyday of the humours), but somehow it reminds me of the time in college when I started laughing in class, was enough aware of my surroundings to know that a lot of hearty laughing was going on (and so felt comfortable continuing to what would otherwise have been an unfortunate extent), then after about five minutes realized that hearty though it was, all the laughter was being generated by me.