dig one's own grave

take someone to the grave

To kill someone; to cause someone's death.

lose one's head

To behave irrationally or to lose one's self-control, especially in a …

keep one's head

To remain calm, reasonable, level-headed, especially in a situation li…

bite one's tongue

To resist the urge to speak out, especially in order to avoid saying s…

man down

To lose courage or cause to lose courage.

take the wind out of someone's sails

To discourage someone greatly; to cause someone to lose hope or the wi…