"What would you rather do, ignore it? This magic...whatever it is that changed us, I doubt we can ignore it. If you don't trust the source, then make it your own instead."

His tone is still excited, but there's a little hint of a pleading tone in Strange's voice. He likes Christine. Even though they radically differ on this point, he still likes her and enjoys talking with her. He just wishes that he could convince her to worry less and focus on his way of thinking.