Which of the models of friendship–Rawlins’s Six-Stage Model of Friendship or Knapp and Vangelisti’s Ten-Stage Model of Relationships–do you prefer the most, and why?

Chapter 12 covers a couple different takes on the stages a typical relationship goes through. Which of the models of friendship–Rawlins’s Six-Stage Model of Friendship or Knapp and Vangelisti’s Ten-Stage Model of Relationships–do you prefer the most, and why? As always, be specific and support your answer.