That's my motivation

The two times I've driven to my current job, I've sat in traffic and pictured money blowing out of the tail pipe. I also know that on the bike, I can leave whenever I want and not have to sit in traffic...rather than planning around the parking lot.

I've also done the short commute in sub-zero weather thing. Suiting up can be a pain, but riding was always more convenient than driving (scrape a car, look for parking) and safer than walking (better traction on ice and visibility to drivers).