I feel like you summarized my life.
I have four areas I think of relationships in; physical, intellectual, emotional, spiritual.
We don't have to align perfectly in any or all areas, but there has to be activity and I do have a belief that people have a minimum they can tolerate in any one of those areas.
I think expectations are well... expected. It's just that some are socially obvious and others are unique to the individual. Willing to navigate these as a partner (or any relationship at different levels) provides a connection for doing this "better together".