Remember that feeling when you walk into a classroom, join a training camp, board a bus or come late to a party? Your eyes scan furiously for that one known face, that connection with someone, or just friendly eye contact with the first retina. Just an acknowledgment, a minute gesture, perhaps that nod or those first words is all you seek. If you are an extrovert, you may be the one that initiates this, but if you are an introvert, this can be horribly uncomfortable. This post is written from...