I have stopped Running...

I am injured on my foot after my 10 mile run n Jan 28, 2008. I developed a nerve knot on my left foot (Imagine, what happens to feet after banging it to ground 8000 times...Yes, we hit our foot to ground 800 times per mile). I didnt care for it a lot in the beginning and continued to run 50 miles in Feb and 50 Miles in March. Then in April, as the pain started to become a real PAIN, i went a met a doc. He advised me to stop running immediately as i am hurting the feet even more. He asked me to come in 4 weeks and if its still bad, he has to use knife to cut it off and leave me in crutch till it heals....Oops....Now comes the realisation....I have stopped running since 3 weeks and my pain is completely subsided and the nerve knot is slowly curing. I am putting on a Callaus Holes to give it come comfort....Even after it cures completely i may run 3-4 miles per week...not more than 1 mile at a time...SO whats happened ot me now...I am still eating the same and with no excercise, i have put on 6 pounds....I tried to stop eating bagel for 3 days and reduced 3 pounds....Lets see what future has in stire..I am thinking of doing weights and crunch,...but have not implemented it yet...Imagine, if thinking of doing excercise can reduce weight and put muscles....