Johnny Sorial and Emma Bergeron of Chicago are friends through thick and thin.
When Johnny, 11, was diagnosed with leukemia, he leaned on Emma, also 11, for support, since she had personal experience with the disease. Emma was told she had leukemia when she was 4. Thankfully, she's been cancer-free since her last treatment in 2014.
Now, Emma is lending her expertise to Johnny as he battles the disease, sitting with him as undergoes chemotherapy and giving him the courage to fight, according to SWNS.
“Knowing Emma had been through it made me feel better because she’s recovered now and like a normal kid again," Johnny said.
He added: "I looked up to her because it made me remember I will be better someday soon too."
And, together, they're giving back, opening a lemonade stand that raised a combined $12,000 for the hospitals that treated them both.
Check out the video above to hear more of their heartwarming story.