The one annoying thing is that this seems to interact poorly with my "get to work earlier" plans. Because wow, when I bike on Beacon/Hampshire Street at rush hour... wow. So many slower cyclists, so many cars preventing safe opportunities to pass.
It occurs to me that something I usually like about biking is that there are usually very few other road users in my category out and about -- something I enjoy about walking and driving, too, when it's true. Not so much true when commuting at commute hour. I guess I should start taking recreational rides more often.