It doesn't matter what the day is - it's the committment in your heart when you decide it's time for a change. Taking that first step into something new is always difficult but just one step at a time brings you closer to your goal.
Forgiving yourself and letting go of the "if only I'd" statements is one of the best self help tools I've learned. We can't change the past but we can improve the present by being kind to ourselves.
I find that if I prepare my breakfast and lunch the night before, my work day goes a lot better.
I put together my oatmeal and then microwave it before I leave for the office. That way it's ready to eat when I get here.
I also prepare my lunch and snacks. This way I'm not tempted by ...