[elgenie]

Try to maneuver him to where there's a whiteboard and write things down as he's talking through them: if he's reading cues, he'll slow down so that your visible note-taking keeps pace.

If that doesn't work, get him a rubber ducky [] and tell him to go talk to it if he's not willing to compromise on communication styles.

[] https://en.wikipedia.org/wiki/Rubber_duck_debugging