Board Thread:Season 15 - Peru/@comment-24562158-20140421184819/@comment-3010035-20140429084531

Lying: Fine

Betrayal: Fine

Backstabbing: Fine

Swearing on your family's lives: Not Fine.

The expression comes from long ago in the medieval times, where if you swore on someones life, and you broke the promise, they along with you were killed.