When I started biking again I was 317lbs. I was very easily winded. Everything hurt.

Now I hover in the low 200s (216 this morning) and have incredible health and stamina. It was an amazing transformation.

My response to anyone hedging is to just get going. You will be just as old 6 months from now whether you do it or not. The question is how much healthier you want to be when you get there.