Authors:

....both had learned that everything could change in an instant, and that the heartfelt vows of people in love were fragile words that, once shattered, could cut so deeply you'd bleed forever.

Kristin Hannah (2013). “Kristin Hannah's Coming Home 4-Book Bundle: On Mystic Lake, Summer Island, Distant Shores, Home Again”, p.236, Ballantine Books
....both had learned that everything could change in an instant, and that the heartfelt vows of people in love were fragile words that, once shattered, could cut so deeply you'd bleed forever.