What I would change in my life is not like exercise. The exercise is one activity in my spare time, I give it very little or no time for it at the time, going to the gym.
What I'd like to modify in my life is that I don't like to exercise, exercise is one of the activities in my spare time I have time with it, very little or no time with it at all, because the time to exercise.
What I like to change in my life is not like a workout in the exercise of my free time is an event in one of my time, and it was very little or no time to be with me, because it was time to go to work.