As others have said loss of interest can happen and the interest can of course come back with a vengeance. I'd recommend picking up another hobby until gaming suddenly grasps your interest again.

Two types of hobbies that have lasting positive impacts on people are creative hobbies and physical hobbies. Your brain is wired to invent and create and your body is wired to move, so being able to do each for fun is brilliant for your mental and physical health. Hop on a bicycle, go for a walk and enjoy the crisp fall air, stop off at that gym you forgot to cancel your membership for, and start doing it regularly.

For creative hobbies you can get a pack of printer paper for a couple of bucks and a pack of Crayola crayons or colored pencils and just start doodling. If you suck at drawing make wierd geometric shapes to rebuild the fine motor skills that computers have killed. Or if you want something more in-depth model making is always great because it has elements of fantasy while having entry points at any skill level. Personally I've been getting back into model railroading which if that seems boring to watch a train go around in circles, consider it has its own table top roleplay scene in the form of operations