I have absolutely no idea! I've listened to it five times and I can't get it. The last word sounds like it might be "happen" so I wondered if it was "How the hell did that happen?" or something (in response to "Has it really been that long?").
Edit: AHA! I FINALLY GOT IT!!
After the seventh attempt, I realised it was "I'll have whatever you're having". He's referring to the drink he was offered.
Student or Learner