Frankly, he's shocked and appalled you even thought you needed to ask such a question to him.

He thought the answer was obvious to you but clearly Michael doesn't know his partner as well as he thought he did.

He looks at you with tears spilling down his face, he looks pitiful honestly.

"Of course I would still love you if you were a worm! Why would you think I wouldn't?!" He tries to stop the tears but more threaten to flood out. "Do you think I don't love you?!"