I don't plan a week in advance, because I'm the type to decide what I want almost at the last minute. But I keep a large supply of fresh, frozen, and canned zero-point vegetables on hand, as well as plenty of fruit. There is always
something that I can eat, even if I've reached my points limit for the day.
I also keep some Lean Cuisine and Healthy Choice meals in the freezer (they have WW points on the box). I don't know if you like to always cook from scratch or not, but having these on hand for emergencies is a good idea.
Make a list of the low or zero point foods that you like, and don't ever run out of them!
Every weekend we (husband and I) make a big pot of zero point soup, and have that often during the week. It is a must, for me.
You will do fine! Think how good it is going to feel to be losing!!