Whereas Strange desperately wants Tyki to methodically break down how his power or his body worked. This is something new and interesting and he wants to poke at it with a stick until he finds a way to figure out what it does.

He gets the taste thing, though. Good food and drink is something that most people take for granted.

"How does your power interact with other magic?" Strange's tone implies that he's got an idea brewing in his mind.

As he talks, he reaches up and undoes the top two buttons of his shirt, so that it's easier for him to access a large spot of mirrored coating on his shoulder. This also means that Tyki can get a glimpse of the mirror coated stab wound scar on Strange's chest, right near his heart.