So, with that in mind and presented in no particular order, here are the most popular responses we received, all in one place for easy, accessible, hopelessly romantic fun:
Also, WARNING: Given the nature of this post, several of the entries contain SPOILERS for their respective films, so please proceed with caution!
Source: https://www.buzzfeed.com/alliehayes/most-romantic-movie-lines-of-all-time-megalist