I don’t know if I believe this part, but it’s all good. I guess.
“He gets out the case, and we’re continuing to talk and who knows what we’re saying. It was small talk. Just fill the air with something while he’s going through the business of putting the guitar in the thing. He puts it in, closes the lid, snaps it closed, hands it to me, and he says, ‘Take good care of this for me.’ And I burst into tears. Uncontrollable. I had no idea that I would be bursting into tears, but I did. And I hugged him and I said, ‘I just love your music.’ And that was it.”
Source: The Night Warren Zevon Left the ‘Late Show’ Building – The Ringer