LINCOLN, Nebraska -- An 18-year-old waitress at a Lincoln, Neb., Cracker Barrel got the surprise of her life, and all for being a happy person.

Two customers asked for the restaurant's grumpiest server to try to make him or her laugh. They were seated at the happiest server's table instead, and her cheerfulness in spite of a life story of tribulations paid off, according to a story at People.com.

Abigail Sailors told the pair about her life, how her parents could not take care of her, and her hard times in foster care with her siblings.

One of the customers left Sailors a $5,000 tuition check for North Dakota's Trinity College ,where she recently started attending. He added another $1,000 for supplies plus a $100 tip. Sailors split the $100 with another server.

Click here for the complete story at People.com.