You're not an idiot.
His message could be read to mean that he wanted to disappear for a while because he had stuff to do and that talking to you had been awesome etc. but he did make it sound a bit like it'd be the last time you'd hear from him.

The trouble with text is that it's often difficult to read the tone. Your reaction was the best one, under the circumstances.
( thealternativefact, Sun 12 Oct 2008, 11:14, Reply)