Shakeology, P90X and clean eating

I started this one month ago and what a difference it has made.  I was smoking up to 2 packs of cigarettes a day, drinking ONLY diet dr pepper, and eating tons of processed foods.  I felt horrible all of the time!  I am a single mom, work full-time and going to school online; when did I have time to exercise and eat healthy, much less attempt to quit smoking??  I did it!  I quit smoking and drinking diet sodas on the same day!  I joined a Beachbody challenge group the next day and started exercising and trying to eat healthy.  This has definitely been a rough road the last month, but I have achieved so much!  The first week, I was exhausted; I was no longer taking in all that caffeine and nicotine to keep me stimulated.  The second week was better and the third I got sick.  Oh, that was by far the worst cold I have ever had in my life.  It lead to sinus infection then pneumonia!  Ok, so out 3-4 weeks of working out due to feeling terrible!  I have kept with no smoking and drinking water, somewhat eating healthy, but not working out.  I feel lazy, actually.  Maybe that was a good reason?  I don't know...I couldn't summon up the energy to work out.  I was lucky to go to work and take care of my children and then fall into bed exhausted by the end of the day.  I have ordered Insanity and will start it as soon as I get it!!  Until then, keeping up with eating healthy and avoiding those nasty habits.  I will change my life and feel good about myself!