Lethe had no memory of anything other than this place. Nothing other than the goddess—Thayla, with her light and song. He wanted to help her, but didn't know how to answer her. Her speech seemed to be a physical thing, and he had no physical form. He didn't think it was necessarily physical, however. He approached her, and projected his emotions, his love for her. And they came out as words, "What can I do?"