Canada day celebrations

I couldn't even begin to guess a number for yesterday's calories. I didn't realize it, but it was a potluck at work and there was a lot of fun there. So I'm pretty sure that my balance is positive, but I have no idea was it was. And it might not have been such a bad day if I came home and ate well, but I stopped off at Dairy Queen on the way home - I did buy small sizes - raspberry lemonade and a small blizzard, but I would have been better off if I didn't stop altogether. Somehow I need to remind myself -I'm dieting for 3 months. I have to go hard for 3 months. Then I can coast. Nuts.