Old story
Back when I was living out of my car in San Diego, I got invited to eat by a friend who also lived out of his car. He took us to Olive Garden, he paid for three of us total, him, myself and someone he owed a meal to. Anyways, he tells me just to cover the tip and I just figured I would make a good sized tip.
Since I was broke I was gonna try to get some extra breadsticks to take back to have to eat for later. So when we were done and got the check I told the waiter "I'll leave your tip here on the table" as I put a 20 dollar bill under the cup, and I asked if we could get some more breadsticks to go. The guy was super cool and brought out that big ass bag of breadsticks and just gave us the whole bag, probably like 12 breadsticks or something like that. He also gave us quite a few small chocolates. Just wanted to share this I thought that guy was cool for that.