This might be the sweetest brother/sister moment we've ever seen.
An older sister tells her little brother Gabriel to get it together: "You're nearly three, you should toughen up a bit," she says. "And you don't spit."
And, well, she offers so much more advice that little Gabriel may never forget and take into his teenage years — and into adulthood.
This is one for the ages. Words of wisdom.
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