Damn right, hit the gym! Put an aggro playlist on your Ipod and just thrash yourself. You're body will start craving healthier food too, and lay off the sauce (not completely, maybe only on weekends?) Hire a trainer if you need help getting going and establishing a workout regimen. They're often expensive, but dude, it's an investment in yourself!

Then if she should come a' knockin' down the line when you're all swoll, you can lure her in, and dump her ass on your terms.