I decided to give it a go yesterday...kinda on a whim. But I made it through it and a few hours later decided to do my daily 3 mile walk. Well I got a mile in and had to turn back because something went wrong with my right leg/ankle. It always gives me trouble but this was like an instant charlie horse x100 and now I'm really feeling it in my muscles, especially in that leg. But I'm still doing my walk today, just taking it easier and am going to try day 2 of the 30 DS if my walk goes well. I think I will be able to continue it, I hope...and I will admit there's a strange side of me that kind of likes the pain in my muscles. It's almost a reminder that I'm alive, striving to be healthier and that I can keep at it and just work through the pain. I plan on keeping an eye on my body so that I'm not over doing it. Not sure the success people have had with this...I don't want to bulk up BUT I need to tone and build some muscle so hopefully with my current cardio it will even out well. I'm thinking of using my recumbent bike too, but don't want to overdo it just yet. Goals to work up to I guess. I went ahead and wrote down my measurements so that I can see how the 30 DS has worked. If I am able to stick with it, I will try to share my results after I finish the program.