"I am glad to be of assistance." And he is, in a way. It makes Isaac dependent upon him, on the truth he builds; makes him need. Using what he knows of his own existence, his desperate ache to be a part of something- anything? The thing that has him hold fast to the humans in his life; and then making himself the only other thing in the world for Isaac is hand in hand with building that dependence.

This isn't the same as touching a human mind- but it is stimulation from an external source. Something they crave. He reaches out to rest a hand on Isaac's shoulder, squeezing gently. "And I am glad you are feeling well. It was...exhausting, waiting for the process to finish."