There are two levers for moving men: interest and fear. - Napoleon Bonaparte
There is not a single person who does not have a problem in life. Even if a man has all the money in the world and is living the life of his dreams, he may have to face some or the other problem.
Reasons for Lack of Interest
How to Overcome Lack of Interest?
Remember that if you lack interest in anything, you will in no way be able to do that thing unless you are motivated in the right way. To develop the much-needed interest, you need to push yourself and take necessary steps to get it back.