Oh, is that why I got screwed the first time? I made two deals the day that was added and didn't unlock jack. It was many, many attempts before I was able to do that again.
Also I took this photo a while back, but really had nowhere to show it off. Doesn't really relate to anything, but earlier in that game I was about to give up with only one heart. This shows why you never give up:
And that's the magic of roguelikes.