It seems like when we hit hard spots in life that we learn who our true friends are and I'll tell you this- I can't think of a better pair of best friends than six-year-olds Zac and Vincent.

Zac and Vincent are inseparable, so when Zac Gossage was diagnosed with leukemia, Vincent made a vow that his friend wouldn't go through it alone.

While Zac was having chemo treatments, Vincent did some research and learned all about cancer. He knew that Zac would lose his hair as a result of the treatments, so he showed up to school one day with his head completely shaved to show support for his buddy.

Vincent also learned that cancer treatments are very expensive so he started selling handmade scarves for $15 apiece and raised several hundred dollars to help pay best friend's medical bills.

And get this- despite being in and out of the hospital for treatments, Zac has never missed a day of school because he doesn't want to miss out on a day to play with Vincent. How precious is that?

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