Another great suggestion is to get a good food scale. They're inexpensive ($20 ish) and they will help you really monitor how much you're taking in. The next suggestion is echoing everyone else to TRACK. Write down everything. The easy way for me is to plan ahead, but not everyone likes to do that. Meanwhile, I really admire people who can eat on the fly and fit it into their point limit.
When I first started weight watchers years ago to lose my baby weight, I spent the morning after my meeting with my points calculator and a sharpie, writing down points values and serving sizes on the packages for all of the foods I had around. It was incredibly helpful.
Good luck!