I was out of town at a wedding last weekend, and when I got back, I found a strange thing on my doorstep -- a bag with a bottle of wine in it, on which was written:
Leaving aside the fact that I wasn't around to be annoyed by whatever driveway-blocking may have taken place over the weekend, I'd say that's pretty much the nicest thing a stranger has ever done for me. A bottle of wine? I have to assume that the three other apartments in my building, who all share my driveway, found similar goodie bags on their doorsteps. What a gentleman (or woman)!
Let's start the week off with some feel-good vibes: what's the nicest thing a stranger has ever done for you?