Where there's a will (and space), there's a room for N+1.
All of our bikes are in the house. We're now at N-1 since Hubby took the Roubaix to the LBS to sell. We'll be at N-2 when I sell the Giant Cypress. Then, we'll be down to only 4 in the house, and ready for the N+1........ recumbent? tandem? I'm happy with the two I now have, the Roubaix and the LHT.