Hi Danielle

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Make sure you have the book and keep it near you especially for the first 2 weeks. It really helps to be able to read and research what is a yay and what is a nay. The threads are so helpful as many have been here to share successes and things that did not work as well.
I am in week 16 of SB WOL and I love it. SB works for me because I want to be healthier. When starting on P1 I stayed totally "clean" because I read alot of posts here from the seasoned beachers that I could get rid of my cravings if I did this. It has worked beyond all my expectations. I am finding to my amazement that without the "craving" factor that I am beginning to make rational decisions about my food intake. Last night I had healthy pizza and salad. Later, I had a bowl of homemade applesauce for my sweet. My old brain went to find something else to eat and my new brain said, "I don't think you need anything else tonight." Ok, end of story. This is so incredible.
The best thing I could tell you right now from my experience is to be vigilant through your first 2 weeks. DON'T GET HUNGRY! This is not a plan of deprivation. When you are hungry find something OP and eat!!!!! I have a huge salad that is always ready in the frig. If I get hungry I plate up some salad, toss chicken and beans on it and get some good nutrition in my body. If you are constantly hungry it will be far easier to go back to old habits.
The second best thing I would say is to hop onto the daily threads here and start sharing your ups and downs of SB and of life. The group is great here and I look forward to checking in every single day.
Ask questions! And yes, plain ff yogurt is allowed on P1. The reason you don't eat flavored yogurt at any time is that it is FULL of sugar which, when eaten keeps your craving mechanism turned ON. You want to turn it OFF. Start to read labels and you will find out how much sugar is in many foods that are labeled "healthy".
I keep my use of artificial sweeteners to a minimum. When I made my applesauce I found that just a touch of Splenda made it quite tasty. I bake using agave nectar in P2. I have 2 sweet staples that get me through a "sweet moment"; sf fudgesicles and sf jello, both good on P1 . They both gave me satisfaction when I craved sweet, especially in P1.
My suggestion would be that you do the first 2 weeks totally clean, and then reevaluate. Many beachers do a P1.5 which adds some foods, but not all. If you really stick to plan, you will continue to lose on P2 and it may be much easier to envelop this WOL if you have more choices.
Best Wishes!