The ballet needs to tell its own story in such a way it can be received without having to be translated into language.
I learned very early that an audience would relax and look at things differently if they felt they could laugh with you from time to time. There's an energy that comes through the release of tension that is laughter.
Schubert had arguably the same melodic gift as Mozart, but even less support. He didn't have the early exposure, never got to travel anywhere, and yet generated and amassed a body of work that grew and developed and is very profound.
If you're speaking of love, you really must include the element of uncertainty - and perhaps it's best approached as the art of constant maintenance.