In case you didn't know, Zac Efron has a brother, Dylan.

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If you did, then kudos to you.
Monday, Zac posted a pic of his brother giving him a piggyback ride and people all over the world collapsed.
View this photo on Instagram
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There's just too much sexy in this photo.
You won't find a ton of photos of Dylan, but Zac loves to talk about his baby bro. Sometimes he posts cute poems...
When your dad goes through your little bro's old homework and finds a gem: Poem by Dylan, 6th grade #abrotherlything
And sometimes he talks about how his brother knocked out his teeth.
But what we really need are more pics like this because life's too short and we are thirsty.
