19.Be careful of what you say to the people you love, because once you’ve said it, you can never take it back. 对你爱的人说出的话要小心，因为一旦你说出口了，就永远收不回来了。
20.Missing you isn't what hurts; it's knowing that I once had you that breaks my heart. 想念你不会心痛，一想到我曾拥有过你，我就心如刀绞。
