Why the Rome, NY post office is a happenin' place to be!

So I'm standing in line at the post office with Mom. No biggie, the line is just taking awhile. A guy comes in and gets in line behind us, and a short guy comes and gets in line behind him. The normal guy turns to the small guy and says "Look what the cat dragged in!" Then he turns to me and hands me about 10 envelopes and $2 and says "This should be about $.80, you make a dollar on the deal. I don't have time to stand in line like this guy over here! Love you!" and walks out of the office. I found this all very strange but what was more strange was that none of the envelopes needed additional postage, so he paid me $2 to wait in line with his mail for 5 minutes when he could have just put it in the bin. Love you too, guy!