Exercise and Writing–Yea, Write! . . . I Mean Right!

How many of you find yourself working on that scene—you know the one where your characters are finally getting into the juice of the story, working on that love scene you just can’t walk away from until it’s finished and bam, another day has gone by while you promised yourself you’d start exercising again?
Okay, maybe it’s just me. Lately I’ve been so focused on my writing/editing/researching and yes, checking out blogs/websites/Tweeting—all in the name of my writing career. In the meantime, I’ve managed to find my clothes a bit snug and soda cans piling up in my trash can.
My favorite words lately—‘Just a few more sentences. Let me finish this scene.’
By the time I’m done I don’t have the energy to work out or it’s time to fix dinner, or some other excuse. That was me, a year ago. I was spending time applying to jobs on-line along with my hubby who’d been laid off (I was the stay at home Mom for many years), working on my novels and trying to keep up with my teenagers schedules. One was in college locally and the other active with theater and art. Where was I supposed to find time to exercise, finish a novel and do everything else? My idea of exercise was walking up and down 3 flights of stairs to do laundry and then I was winded—no, I was out of shape!
It took me getting into my favorite Renaissance dress (or barely) to realize something had to give. I had gained a size in my upper body, my clasps barely fit around my bodice and though the dress hid a multitude of sins elsewhere, I realized my jeans weren’t fitting as well and I had those wonderful muffin tops hanging over my stretch Lee’s.
I evaluated what I’d been doing. We started buying sodas, something I rarely kept in the house, when my hubby was home. My routine had changed drastically now my hubby was home and I busied myself with my books to stay with him and look for employment. Just a few things were making my life different. I didn’t feel like exercising—I hate to when someone is home, I prefer alone time for that.
So now hubby is working again, even though the kids are home for the summer, I’ve gotten back into power walking in the morning and playing Kinect on the Xbox in the afternoon when I begin to get sluggish. Yes, it breaks up my writing but it also keeps me alert and wakes me up. As far as eating/drinking—I’ve gone back to flavored waters, juices and one cup of coffee in the morning and air popped popcorn or fruits and veggies when I’ve got the munchies.
Is it working? Let’s say, I’m maintaining a ten pound range—not going under but not going over either. Any suggestions?
How do you find time to stay fit and write, live, etc?