Mary Roach

Build a book around this.

What was the seed, the germ of Replaceable You?

The Kohler faucet, yes.

Yeah, the Kohler faucet for this one.

I'd been thinking about

fat as a topic.

I didn't go in that direction, but I was speaking to this woman who actually works in a stem cell lab.

Leah Bellis is her name.

We were just sort of talking and bouncing things around.

And in the course of this conversation, she told me about a surgeon who had taken a man's middle finger and constructed a penis using the finger.

And I, of course, imagined

just the finger being like taken as is you know and put that like you know and also which is quite anatomically improbable thinking that it had been hooked up and that the man could now kind of like beckon and come over here baby and of course that's not true it was used inside

Some skin is a rigidity element.

But I'm like, I will meet this man.

I will go there, wherever this is.

Turned out to be in Tbilisi, Georgia.

They take the nail off?

No.

Well, it seemed to me that the whole finger, is that a phalange?

That means they're phalanges.