When you're CEO you have to have two conditions: first shareholders need to trust you and want you to head your company. The second is that you need to feel the motivation to do the job. So as long as both are reunited you continue to do the job.
I'm not a very serious person. You know how they say that clowns are very funny in public and are really sad at home? I'm really kind of stupid at home and more serious in public.