'Mistakenly' had a glass of wine? I LIKE that excuse!
I always MEAN to have one, or two. LOL
As a fellow veteran dieter I will tell you this...do yourself a favor and ditch the guilt. You chose to have a glass of wine and it's done. Big deal! This is about a life change not a diet. I drank an occasional glass of wine with my meals during P1 and enjoyed it and still lost. I choose to keep wine and popcorn in my life because I enjoy them. You can enjoy the things you like and make them work within the program. It's all about choices. But when you make a choice you feel was not the right one don't beat yourself up over it. The road of life is full of potholes and you fell into one. Just climb out and keep going.