It is my best hobby for the list hobbies
I work out because exercise is good for your body. 
Yes, and thanks, All person know the exercise is good
Exercise is good for your health too, not just your body. 
What time to you exercise
I exercise early in the morning, it is the best time for it. What about you? 
I do exercise in the evening my free time
I like working out in the morning is great because then it is done for the day. 
Ok, What job is you can doing
I also walk my dog in the morning for exercise, it is really helpful.