This is not so much a sign of obsession as a reason I love the Downs, so it's more or less related.
I was re-reading (actually, re-browsing would be more accurate) RotK the other day, and I skipped to the calendar in the appendix. When I saw the three attacks on Lorien I thought it would probably make a good story for an RPG. And then later while wandering in the fair lands of Elvenhome I chanced upon
Bloodstained Elanor! I'm just disappointed I had never taken part in writing it, but that's okay; I'm sure I'll enjoy reading it just as much, if not more.