Aaron and Nathan Cooper returned with a clear takeaway from their two-month motorcycle trip through the U.S., Mexico, Central America and South America: People are good, even strangers.

In Colorado, a man donated a day of maintenance work on the brothers’ bikes. A guy near Mexico City bought them empanadas because he saw the crumpled bread on which they were spreading peanut butter. A family in Colombia locked up Nathan’s bike after he crashed while Aaron drove his hobbled brother to a hospital.

“There’s many times where we would have been dead in our tracks or at least slowed down if not for the help of genuinely kind strangers,” Aaron Cooper said.