Having a sister is pretty much the best thing ever — she's a built-in best friend. My little sister Maddy was born when I was 3 years old, so she's basically been around since I can remember. We laugh together, we bicker with each other, and she knows all my secrets. Even when she drives me insane, I know she will always be there for me through the good times and the bad. Maddy is my best friend for life. Here are 20 reasons why any sister is a BFF for eternity.
— Additional reporting by Lauren Harano
Because she's your sister, so she clearly doesn't mean it.
And can impromptu harmonize a few lines together no problem.
Because she actually cares. Because you're her sister and stuff.
New boyfriend? Job promotion? Let's party!
Bore snore. At least you can complain together later.
It comes with the job description.
She pretends to hate it, but she totally loves it.
If you were funny when you were kids, imagine how funny you'll be when you're wrinkly.
Sometimes she senses it before she even sees you.
After all these years, it's really her fault; she should have seen it coming.