1. They are not afraid to be completely honest with you about the things that matter.
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2. The can anticipate what you'll love, even before you do.
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3. They're always the first to like whatever you put on social media.
Ellie Sunakawa / BuzzFeed
4. They believe you look great, even when you don't.
Maritsa Patrinos / BuzzFeed
5. But they also aren't afraid to point out when you may have missed a spot.
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6. There's never any miscommunication between you two.
Adam Ellis / BuzzFeed
7. They know exactly what you like and what you want.
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8. You aren't afraid of making a complete goof out of yourself in front of them.
Adam Ellis / BuzzFeed
9. And you can spend a whole night together not doing anything and it won't feel like a wasted evening.
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