以下是一些甜蜜愛情的金句的英文表達：
1. "I love you more than words can say."
2. "You fill my heart with the sweetest melody."
3. "My heart beats for you, and I will love you forever."
4. "You are my sunshine, and I will protect you from the rain."
5. "My love for you is like a river, never ending."
6. "You are my world, and I would walk through the world to be with you."
7. "I can't wait to grow old with you, and make memories together."
8. "You are my heart, and I am forever grateful for your love."
9. "My love for you is like a flame that burns brighter with each passing moment."
10. "You are my everything, and I am forever in your debt."
以上只是一些例子，你可以根據自己的情況和情感進行調整和修改。