I'm literally going through the exact same thing Katrina!
I've never liked driving in heavy traffic, I hate being affected by others... but now that I've moved into the country and drive very irregularly, heavy traffic does stress me out. It's so weird. I used to spend nearly 3 hours a day in traffic, you think I'd be immune for life.
I do wonder how age affects things too... when you're younger you're almost looking for stressful situations to test your reflexes and tenacity... now... not so much.
Yep. Now that I'm a mom I'm a lot less wild and adventurous... Though I'm still at least a little wild and adventurous. ;)