Morning Curtains, no idea about your questions sorry - someone else probably will. Restricting calories must help though surely? How many do you think you're eating normally? Have you worked out your tdee?
I use my fitness pal to track exercise and food, I'm happy with it but I'm sure there are other options. It connects to my Fitbit and adds in my steps automatically which is nice, but it gives me the calories to eat which I can't switch off on the free version. So some good stuff some that's a pain!
I'm going to spend the morning polishing my halo 
At the party last night I had 2 G&Ts a mojito and a JD and diet coke. I had a couple of tonics without gin and some coke without the JD so no one picked me up on not drinking. This was from 5-12 so a fair few hours.
The food was quite healthy and I ate on plan, except for the wedge of raspberry and pistachio pavlova which I was powerless to resist. I had some peanuts which added a fair few cals but no crisps, chocolates or other goodies.
Think I probably came in at 1500 for the day, so not a total disaster and I'm going to go for a long walk today and drink loads of water to try and move on whatever I've consumed quickly.
Hope everyone has a lovely day.