I write 2/3 books in a series for a fandom, lose interest in that fandom, start writing a series in a new fandom, pretty much complete that series, force yourself to write the third book in the fandom you lost interest in, proceed to become obsessed again
It's Espresseleine. How. Why. What. I thought my CRK hyperfixation was gone. But no. It's back. WTF brain