I whole-heartedly believe that getting a start at MRC and the accountability of weigh-ins twice a week makes for an amazing and best-case scenario to your success, however, if that seems totally impossible, look for threads of folks working do do this plan on their own, because there are many. Many purchase weekly hns via dietdirect.com, so it is possible. I again, don't think it is the best option, but if you can collect all the info -- particularly the menu designed for your circumstances, you can do it.
Am back for Round 2, beginning 3/7.
Not until you push yourself to the limit and then past that, will you begin to realize "exactly what" you are capable of handling physically & mentally. Yes it's scary, hard, & exhausting. But, when you challenge yourself & strive to work harder than you ever have at the beginning of each day, when you finally stop to ....rest, you'll be more positive than anxious about your future!