How can a devotee's actions of love and faith cause the Lord to reveal Himself?

According to the teachings in Chapter 37, the Lord of the Universe will reveal Himself to His devotees through specific acts of devotion. You can make Him manifest by preparing the throne of firm faith, adorned with the eight-fold divine emotions. By clothing Him in the metaphorical yellow silk of devotion and applying the sandalwood paste of pure love on His forehead, He becomes well-pleased. Furthermore, when a devotee bathes Him with tears of joy, binds Him with the waistband of devotion, and sacrifices their all with love, He will manifest instantly. These acts symbolize a complete and loving surrender.