Everyone profits by improving listening, speaking and thinking skills. Listening with understanding is the first step in solving problems. A good partner will see both sides of every situation. They are adept at proposing solutions where everyone comes out ahead. Ability to organize and prioritize.
Good partners stay focused on accomplishing the most important tasks.
When you organize and prioritize your efforts, everyone gets more done. Willing to admit errors. However, it is a critical element in healing disagreements and going forward toward your common goals.