<span>Addiction is compulsive.</span>
In fitness you have three bases. No matter what sport you will have cardio, some form of weightlifting, and you have to maintain your diet.
I believe it is the 3rd one but I am not sure but if you want an explanation on why, I will tell you that phobias are based off of a certain object,situations,or anything that makes you react with so much fear. That is why I think it is the 3rd one but let me know what the answer is I am curious of what the actual answer may be.