[EmperorDinobot]

I used to not tip for a few years. I was poor and my ex was robbing my money. Nowdays, I realized that not being compromised with some partner actually makes me a wealthy man. So I tip generously.

However, the highest I've ever tipped was at this mexican restaurant. This w#0re was complaining about happy hour hours, and decided not to pay, and to give the server a bad time. The server is such a kind nice mexican girl who does her best to treat the customers with respect. A couple of years ago I befriended the managers of a very popular mexican restaurant at my hometown, and they told me that college students would sometimes go there and eat the damn chips for free, and that because they were mexican, the customers felt entitled to a sense of grandeour over them. %uck them.
But anyways, she didn't leave a tip and got dinner for free. I left them a $50 dollar tip. She refused, and I threatened her not to ever go there again (I go there every Sunday).
So she accepted, I made her day, and...that's it. Always be good to the servers, no matter where you go. UNLESS you receive crappy service. It's their job to be kind to customers. If they are not kind just leave a 15% tip and never go there again.

But that's my take.