1. It's more relaxing, I enjoy the feel and it's better training for the limited time I get to ride.
2. We'd take our road bikes and tie them off with one gear in the winter. Imagine a
NEW Peugeot PX 10 fixie

...yes, back in 1976 that how it was done! None of us had enough money for two bikes way back when.
3. Lots o' road bikes. A 1980 Gitane Kilo and a 2008 Bianchi Pista (chrome of course

)