Such an exact number.

[A tiredly amused grin. Whether or not the number's accurate, it's the kind of assumption he was making on his chances as well.]

I appreciate the offer. If we fail to find anything...

[He hates that he'd have to lean on someone, physically like that. Even with his limited mobility, he's been able to rely on himself to get around enough, provided he had some sort of aid.]

Even a sturdy, long stick will do.