"I want us to be together forever."
Why do I find this so much more romantic than "will you marry me"? Perhaps it's because marriage is technically a social construct whereas being together with someone (or people if you're poly) takes more than a ring and a piece of paper? This shit gives me cavities for how sweet it is.
When Eiji sees Caleb mask-less for the very first time:
(in Squidward's voice) OH NO! HE'S HOT!