A good writer, doing a good series, is to the dedicated reader, the same as "Heroin" is to the "Addict". They both love it and hate it!
They love to get the newest addition in their hands, wondering if it is as good as the last "Fix" or not. But hates like "hell", waiting for the next delivery from their suppler, while all the time going through "withdraws" waiting for their next "Fix".