Do take some "before" measurements and check them at your monthly weigh in. Many find that their body changes even when the scale doesn't change much.
You seem to live in a pretty area, so walking with Taffie should be an enjoyable thing.
You may, like me, find that your diet gravitates towards a 2 meal/day plan. Don't let a changing appetite be a problem. If you are feeling better as you go, just keep on going.
The Buck stops here. I am responsible for my past and my future. So for today: I choose to be happy. I will seek wisdom. I will be a servant to others. I will greet this day with a forgiving spirit.