history: I was doing this chat room thing, and I walked away for a minute.  One minute turned to ten, and the next thing I knew, the chatroom had expired, stranding the person waiting on me. I was doing this chat room thing_comma_ and I walked away for a minute. 
current: Oh yeah?  How did that go? 
next: Well one minutes turned to ten, and the next thing I knew, the chatroom had expired, and I had stranded the person waiting on me.