"But if you are made fun of, don't let it bother you ... it's hard but it will probably get better one day."
The original video, posted by Keaton's mother on Facebook, has been viewed more than 17 million times.
"For the record, Keaton asked to do this AFTER he had he me pick him up AGAIN because he was afraid to go to lunch," Kimberly Jones wrote. "My kids are by no stretch perfect & at home, he's as all boy as they come, but by all accounts he's good at school. Talk to your kids ... We all know how it feels to want to belong, but only a select few know how it really feels not to belong anywhere."
The vision struck a nerve with notable figures across the sports world, including two UFC champions.
"I want you to know, bud, you've got friends in the UFC," light heavyweight champion Daniel Cormier said. "Regardless of how dark it looks and how sad you may become, know that people are your friend and willing to stand with you."
"This video really touched my heart," added welterweight champ Tyron Woodley. "It's not wrong to be different. We all are beautifully and wonderfully made.
"Just remember, man, you one of a kind. God didn't make no mistakes. Your life is going to have a purpose, a way you can reach and inspire someone else through all the adversity you face."
