I want to lose 80 pounds in 5 months by drinking only water and walking on

ttlycnfsd1

New member
treadmill. Is this goal realistic? drinking water and eating smaller portions. walking on the treadmill at least 5 miles a day(4-5 days a week)=600 calories/approx. 2 hrs. ehhh, any opinions/ motivaton?? :D thanks!
 
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