See paragraph 1. Whatever works for you.

It's an emotional arrangement first that needs money (like all things) to function. If you're comfortable at a different level of support/contribution great.

I'm not trying to have the romantic inclinations of a wet sponge but this is a finance sub and not a relationship one. It's sort of like seafood; you can't put your finger on what makes it right but when it's bad you both know.