Lyric discussion by disasterbutton 

Cover art for Sister lyrics by Mumford & Sons

So beautiful. I think it's about his sister, or someone he considers like a sister, who is going through a rough patch. She's debating leaving, or committing suicide, and he's convincing her that there's people around her that love her so much, and not to test their love.

Gives me shivers, just the time I first heard it, it fit too well.