Don't talk to Always be nice to strangers

This morning I was waiting in line at the store. I only had one thing to buy, but i was in a rather large and heavy box, so I couldn't go through the self-checkout. Instead I walked to the only open lane that had a cashier. The man in front of me stood with his shopping cart half-full, while the family in front of him was still being checked through. Without hesitating, he turned to me and said, "Is that all your getting?" I told him that it was, at which point he started to move his cart out of the way and told me to go ahead of him. Such a simple gesture. So kind. So considerate. So unexpected. And very much appreciated.