The invincible Scott, and then everyone else

I was recently criticized for admitting to cataloging the weaknesses of the people I know, so that when and if I am engaged in a verbal confrontation, I have a means of exploiting their flaws, crushing their spirits and achieving victory.   

If my opponent is a guilt-ridden procrastinator, for example, I might attempt to highlight this inability to achieve goals in order to degrade his or her self-confidence.  

If my opponent is heavily invested in formal etiquette and the perceptions of...