Hm. Well I think her relationship with Peruru was similar in that way. Badianu was capturing children under the guise of bringing them to a land where they would never have to grow up. Peruru, though a child himself, rejected these views and fought against his master, understanding that it is natural to grow up and lose some of your innocence, but it should be done alongside the people you love. That's the major theme in the Super S Movie. Meeting Chibiusa (and possibly feeling love for the first time hiself) obviously influenced his change of heart. Though she had been with Helios, Chibiusa wasn't grown. Helios was mature, but Chibiusa remained a child. (Only children fell under Badianu's spell.) In the end, Peruru's promise to watch over children as they grew up and began to lose their innocence (sugar energy) as opposed to capturing their dreams for Badianu like he had been forced to do showed that he was maturing greatly, and his promise to always be in Chibiusa's dreams (and that she would always be in his) suggests that the two would grow up together and overcome trials as a pair. With Helios, Chibiusa would struggle to grow up alone. Sure, Helios would be there for her to give her advice and guide her, but that makes him a teacher to her, and the understanding between them isn't mutual. A relationship in which both parties are both connecting on a personal level and contributing equally is much stronger. And since they would both be growing up, the depth of their romantic relationship changing appropriately with age (instead of Chibiusa/Helios's dumping romance on a child,) it's a balanced and healthy relationship. The kind revered in the Sailor Moon world, but achieved by no other couple.
...Wow, that's a lot of text. Sorry to drop all of that info on you.