Without knowing it, you could be walking into a dynamic that's overly political or where someone's trying to make a power play.
When there's an ulterior motive at play.Consider suggesting changes to the dynamic or stepping away.
If you're in an environment where people are partnering just for partnership sake, it may not be the healthiest way to collaborate. We all want to collaborate – but what does it really mean? Collaboration is easy when you're just talking about it, but when there's a real, tangible task that requires teamwork or partnership, you'll see where the pieces fit and where they don't.