There are two types of people in the world: type A and type B. Or so common wisdom says, anyway — of course, as with anything human, we’re all much more complex than that.

Still, sorting people into type A and type B categories can sometimes serve as useful shorthand for understanding ourselves and others. This is especially true in romantic relationships.

You might think that a partnership between a type A person and a type B person could never work, or would be fraught with tension, but this isn’t completely accurate.

Firstly, type A/type B relationships are all around us — opposites attract, after all. In fact, these relationships can be super successful. All it takes is a little communication.

We spoke to two relationship experts to find out what type A/type B relationships tend to look like, and how to navigate some of the issues that can crop up in these pairings.