Results may vary.
Rotation:
One for Excel.
One for Word.
One for Dota 2.
One for FPS.
One more for RTS.
One for the HTPC downstairs.
One give to friend for long-term loan.
One give to ex-GF because you thought it'll win their heart back. Spoiler alert; didn't work.
One give your dad because you wanna make him happy but in actual fact he's disappointed that you haven't got married/got baby/bought house/"why you spend all your money on this useless things for what son?"
One planning to use but the keycaps not here yet.
One custom under construction.
One custom for testing but you realize the switch not really your thing.
One for typing on forum.lowyat.net
One for navigating reddit
One for playing OSU
One novelty 40%
One novelty 60%
One more bring to LAN party but got stolen

Enough?