But what Santa said next took all of Landon's worries away.
"He said, 'Santa...I'm autistic,'" Santa told television station WXMI.
"After that, he said it's OK to be yourself," said Landon.
THINGS TO DO: Experience the holidays in the Bay Area
"Christmas is about love and joy, and that's what I try to bring to all the children and people that I meet here," Santa said.
Landon's mom posted the picture of Santa and Landon on Facebook, along with a thank you.
The post has been shared thousands of times.
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