Kiki--Congratulations on all your progress. I must say that I ride to and from work and after particularly stressful days I'll extend the ride home as long as needed to decompress before I get home. Riding alone really allows you to think things through.
AND BY THE WAY:
There is bicycle roadside assistance: http://tinyurl.com/9drz5Originally Posted by Technotart
I thought it was a little pricey and just learned to do basic repairs on my own. But if you think you need it, it could save you a long walk home.