"I see." There isn't much he can say at this point as he tries to piece together all of the information in his head and formulate a plan. But it seems to come crashing down the moment he realizes that not only is his body under their influence, but his mind as well.

"So... They can decide to experiment with your mind, and as a result you gain immunity to their influence." It's a poor tradeoff, as his mind would be affected regardless. "And what do they do to your mind?"