Trying to change a bunch of lifelong habits all at once can be too daunting and frustrating. Find maybe 2 things that you can focus on consistently until it becomes a regular part of your life. Every little change you make adds up to big changes towards a permanent healthy lifestyle. They count!
Every day, I post the little emoticon SP has "Day 1" to myself. You often hear that it's just getting started that is so hard. So I decided that I was going to treat every day as "Day 1" and have the same passion and excitement about my new journey as I did from the start. It's worked wonders!