US Secretary of Defence and ex-US Marine, James “Mad Dog” Mattis, is famous from his days of his military service for his amazing quotes and responses in numerous occasions.

It seems that his new position hasn’t altered his…b@d@ss attitude.

For those who -for whatever reason…- don’t think “Mad Dog” is serious, see his response to the question “what keeps you awake at night?” below.

Sec. Mattis on what keeps him awake at night pic.twitter.com/NxV2FCxjC7

— Face The Nation (@FaceTheNation) 28 Μαΐου 2017