There's many sites that provide suggestions on keeping a daily food diary. I've linked this post to a good one that you can see by clicking the title above. It's actually a blog detailing one person's struggles and success stories. I think you'll like "Tracey's Diary".
And by the way, I'm still researching the pros and cons of Hoodia. Honestly, the cons are hard to find. This is a supplement with a lot of fans out there. Stay tuned.