Develop some non-business interests. Make time to develop these outside interests. Begin to establish financial resources independent of your business. Take advantage of opportunities outside the business as well as tax advantaged retirement programs. Start sooner , not later.
Transition takes time.
You have a lot to do before you can let go. Identify your ideal replacement. Only when you understand what your company is today can you identify what it could be tomorrow. List the skills, interests, talents and resources your successor must possess in order to capitalize upon the opportunity your business represents. Prepare the business for transfer.