Because there's no such thing as 'perfect,' at least not where humans are concerned.

[They're selfish and petty and greedy, even when they think they aren't. He knows; he's seen it many times himself.]

Can't have the good parts without all of the bad that comes along with it. Especially not stuff like emotions.

[Ha. Ha ha ha.]

... it sounds like you've put a whole lot of thought into this, though.

[It's not accusing, merely curious. If there's anyone who can't judge when it comes to that sort of thing, it'd be him.]