I was a jerk. Not to say I'm not still a jerk, but I'm now at least aware of one specific way I was a jerk and have ceased doing it. I was that person who was intolerant of babies on the plane. If I so much as heard the pre-cry squawks of our youngest people I'd roll my eyes wayward and think "I hope they're not seated near me." When those parents had the actual misfortune of sitting next to me, there may have been a time when I helpfully offered in the most jerkified voice I could muster: "Have you tried a pacifier?"