After agreeing on having a different apparatus to interact with the world (cognitive functions) which results in different standpoints, they can start using their different perspectives to generate a stronger argument.
2. Discover your strengths & weaknesses. Your cognitive functions – the elements your personality consists of, will show you what you're naturally good at, and where you suck. For example, having Ni in your cognitive make up, will tell you that you're naturally really good at planning and strategizing, however you'll lack good memory. This will allow you to form relationships with people that complement you.