Crazy schedule + Red bull abuse?

Before I started dieting I drank rockstars in place of coffee.
Since I started I cut those out.
Instead I buy the little 5-hour energy bottles, and a diet soda with zero carbs/sugar.
The energy bottle tastes like medicine but no biggie it works.
The Peach Citrus Frescas are actually good. You get used to them.

You are crazy busy and you are adding more to your todo list (at least that is what it probably feels like and is why it is so daunting). I'd suggest you just make changes one at a time.

I'd start with getting your meals on track. Obviously you can try to make these healthier meals, but more importantly is getting your body used to eating every so many hours or so many times a day... what ever works best for you. Use an alarm if you have to to remind you to eat, pre-make (or pre-buy frozen) meals so it's quick an easy, use whatever tricks you need to get your system on track. Once you do you will probably start to be able to recognize your hunger pains sooner etc. If not drinking enough water is one of the things you want to improve you could probably be doing that at the same time. I know that I used to never feel hungry and I never drank my water. Now that I drink my water I am able to recognize when my body is hungry better.

Once you have got that system down start working on what you are actually eating and make the changes needed. This will probably take a little while at first, depending on what 'changing your diet' means for you... obviously if you want to eat nothing but home cooked meals when right now all you do is go through drive through, then this is going to make a difference in how much time you spend preparing food. But it doesn't have to. I was a complete fast food person, and I've switched to a combo of frozen meals and ready to eat foods so I've actually probably have more time then I did because I'm not driving back and forth to the fast food joint.

Once you have 'healthier diet' as more of a habit then a chore and your body has relearned what a portion size is you can take the food part to what ever level of 'healthy' you are striving for. At this point you will probably be feeling better and have more energy so if you do want to start cooking from scratch more it will probably naturally happen. If not, decide what your goals are and work on those.

When you basically have what you put in your body under control you can start on the next big schedule change.... getting in exercise. Start with little quick things you can do on your breaks at work, or even just during a commercial while watching tv. With the busy schedule you have you don't want to waste time driving somewhere to exercise and then waste time driving home again. And just like having a good healthy diet will give you more energy, getting exercise will give you more energy as well. If you have more energy you feel like you have more time in the day.

You can do this!! Just don't put the pressure on yourself to change everything at once.... this is a slow life style change, you are making new habits.