Warfarin Sodium and physical therapy

I just started taking Warfarin on December 11, 2006 due to blood clots from surgery. My protime numbers won't go over 2.0, so I'm taking 12 mg and will probably start Lovenox injections. All my life I have rejected taking pharmaceuticals of any kind, and now this. I've told my doctor to get me off these meds asap, but now I have to see a hemotologist. If he says warfarin for life, I'll tell him no thank you. I will not live the rest of my life poisoned. As for side effects, the only thing I've noticed is a fitful night's sleep. I really haven't been that tired. I do get achy, but figure that's from physical therapy from surgery.