Saying good-bye

I just finished reading an excellent series of books, and now I find
myself feeling a bit melancholy. Why? Because I've just said good-bye
to characters I absolutely adore. There won't be another book about
these characters until next year sometime, and while I'm dying to know what happens next in their lives, it's sad that I won't find out for a long, long time.

Am I the only one who goes through this grieving process? I seem to do it at the end of every great book I read - especially if it's the final in a series.

For what it's worth,

-Sonja