He couldn't even get into the whole 'oh, cats! I love cats, they're darling, can I see them?' which he could have gone into if he needed it. Instead, he kept on the smile.

"Yes, tracking. Something has been taken from me, and I tracked it to this house. Something that my life is not without."

On a more hilarious side, he could mean his balls. Or he could just mean his state of being.