Alternatively you could hire someone to take over the day to day of it while you, being the sole shareholder, get the rest of the profits without having to spend much time on it, leaving you free to pursue other interests.
It's incredibly hard to let go of something you built from the ground up and hand it over to someone you trust enough to run it the exact same way you did.
The idea of hiring somebody to run the day to day operations of the business is financially sound.
Finding, incentivising, managing, monitoring and collaborating with that person/people is a separate set of challenges most solo/bootstrapped people do not possess the skills to undertake. Moreover, their business is their "baby" and letting somebody else take the reigns is emotionally difficult.