Remember that a true healthy lifestyle change is a culmination of all the little things you do. So start small.
For example, set a goal to exercise for at least 10 minutes a day. Often, getting started is the hardest part, so give yourself permission to stop after 10 minutes if you really want to. Chances are, you won't.
Start by trying to get 2-3 servings of freggies a day. When you've done that for a week straight, make it 3-5, and keep going like that.
Same with water. 3-4 servings a day for a week, then increase it.