Your "recently added" list in Mendeley is growing at an exponential rate:
(click to expand. note time added.)
Every new paper you read results in downloading at least two more (not unlike the Hounds of Resurrection. Coincidence? I think not).
I don't think I've ever actually finished my reading list for a paper. At some point, I shut down the process before it overwhelms my hard drive.
Camponotus: A Sugary High
10 hours ago in Catalogue of Organisms