Can you summarize the relationship between the Guru and the devotee as depicted in Chapter 27, including the role of faith?

Chapter 27 beautifully illustrates the reciprocal relationship between a Guru and a devotee. It states that the Guru finds supreme joy in whatever constitutes the devotee's own happiness and feels wonder as the devotee progresses on the spiritual path. For the devotee, the chapter emphasizes that ultimate faith in the Guru's feet is essential. Without this faith, the six passions like lust cannot be subsided, and supreme love, devotion, and the eight sattvic emotions cannot arise. This grace is beyond the senses and cannot be found without a Sadguru, making singular devotion the key to spiritual awakening.