It's the video sweeping the internet. This little girl has an emotional breakdown when she realizes her brother will ONE day grow up.

"What? I don't want him to grow up?" She, then, hugs him and sweetly kisses his head.

Just thinking of this little guy growing up has her thinking about her own death, "I don't want to die when I'm a hundred!"

As of July 30, the video has over 2,158,880 views and counting. Watch the video below and try not to smile.

Having problems viewing this on a mobile device? Click here to watch.