[voiceover]
Human beings need a lot of things to feel alive.
Family...
Love...
Sex.
But we only need one thing...
To actually be alive.
We need a beating heart.
When our heart is threatened...
We respond in one of two ways.
We either run...
Or...
We attack.
There's a scientific term for this:
Fight...
Or flight.
BaileyIt's instinct...
We can't control it.
Or can we?
Grey's Anatomy · 1,393 quotes














