wedding vow to beat

from Grey's Anatomy Season 3 finale

PRESTON: "Cristina, I could promise to hold you, and to cherish you. I could promise to be there, in sickness and in health. I could say till death do us part. But I won't. Those vows are for optimistic couples, the ones full of hope. I do not stand here on my wedding day optimistic or full of hope. I am not optimistic. I am not hopeful. I am sure. I am steady. I'm a heart man. Take 'em apart, put 'em back together, hold them in my hands. So this, I am sure. You are my partner. My lover. My very best friend. My heart. My heart beats for you. And on this day, the day of our wedding, I promise you this. I promise you to lay my heart in the palm of your hands, I promise you... me."