1. Here's how it works: You pay for the order of the person behind you in the drive thru or in line at the restaurant.
2. When it happens, it often inspires people to keep the chain going by paying it forward to the person behind them.
3. It's a simple gesture, but it affects people.
5. But as is our nature with kindness, some Canadians feel the need take it to the next level. Like the person who bought Tims for an entire softball team.
6. The man who bought two $100 Tim Hortons gift cards and gave one to each cashier. He "told staff to pay for all subsequent orders until the money ran out," according to Metro Toronto.
7. Or the guy who bought $500 worth of coffee for folks at an Edmonton Tim Hortons.
8. And the anonymous stranger who did the same thing the very next day.
9. Someone asked people on Reddit to share what it's like to break the pay it forward chain.
Result: 0 comments from people who've done it.
10. Some pay it forward by buying food or drinks for the homeless and those less fortunate.
12. Remember: Even when it seems like you're stuck behind a jerk in the drive thru, they'll surprise you.
13. Sometimes the surprise takes the form of people handing you a gift card and a hug for no reason.
15. Karma is real.
16. Now here's a model Canadian.
17. It's common to arrive at the cash and be told you're just the latest in a series of people to pay for someones order.
18. Perhaps the greatest pay it forward chain came in 2012 when 228 people took part at a Winnipeg Tim Hortons.
19. The most touching one came after a young father died in a tragic accident, and his friend created the #OneForJames hashtag to ask people to buy a coffee for the next person in line.
"James would always buy a coffee for the next person in the drive thru and make someones day in a small way," said his friend Matt Walst.