If you want to be fit and healthy you need to be disciplined doing your work out. You need to take Ballance diet.
Remember being fit and healthy needs Discipline,only motivation is not enough. Because you know motivation is temporary but the discipline is permanent.
Now the question is how to be disciplined in being fit and healthy. The answer is not very simple : first you should have goal and challenge yourself for being fit, second you should make your fitness journey interesting. By doing same workout on daily basis you will be bored soon. Third you need a partner or a group of people and there should be healthy competition amongst them