13. “I Know” – Star Wars: The Empire Strikes Back (1980)

Han Solo's now-famous retort to Leia's declaration of love, "I know," wasn't written into the script. Harrison Ford felt that the original line, "I love you too," didn't sit well with the character of Han and instead chose a low-key yet confident response. The line encapsulated all of Han's roguish charm and made it one of the most memorable moments in the franchise. At the same time, it gives more emotional depth to the scene by making Ford improvise and revealing the unique relationship between Han and Leia.
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Edited by Zainab Shaikh