I worked for a weight loss company for awhile. I clearly noticed that women over a certain age...let's say late 30's -early 40s (very generally speaking) began to have clear issues with carbs.
The younger women (generally speaking) was more about portion control only. A little older and in my humble opinion it is portion control + reduced carbs + better quality foods + lots of water.
This was the ideal woman who lost steadily: recorded her weight, ate moderate to low carb, avoided sugar and junk food, drank lots of water, moved their body/or exercised in some way regularly (didn't have to be vigorously), limited packaged foods and ate more natural foods when possible, if messed up was very quick to get back on her routine, weighed regularly.
I keep lots of things I like that are healthy in the house like low salt almonds, one or two yogurts (not a lot because they tend to have too much sugar), popcorn and occasionally a low sugar protein bar. I always keep one Amy's TV dinner in the freezer for emergencies...so if I'm crazy hungry, I don't binge.
You might have to VERY SLIGHTLY reduce your WW points and also tweak it to include some of the things I mentioned to have a quicker weight loss. Make sure you are taking at least a multi vitamin. However, 2.5 in twelve days is very good!
Don't give up!
PS I totally agree about stopping soda, even diet soda. After I stopped it, I lost weight a little faster. I try to just have water and coffee. If I'm craving something like that, I have iced tea with one Truvia. They have determined that soda, even diet, makes you crave more sweet foods, contributes to osteoporosis and pancreatic cancer...even possibly heart troubles. So not worth it in my book.