Stop Overeating

So I just signed up and while I am super interested in the monthly content (the relationship info for May was just the catalyst I needed), the stop overeating content was the reason I signed-up. Where do you suggest I start with the process. I have over 100# to lose and have the okay from my MD. I started watching the workshop videos, but am surprised to find how emotional I am getting. I just want to make a plan so I know how to proceed.