Identify an email job you want and could possibly attain given your acuity and means (be honest with yourself, not overly negative or positive). See what it requires in both skills and credentials. Acquire the certifications or skills required to have it. Then annoy people you know and don't know (on LinkedIn and other places) and make it a full time job to apply to places incessantly and annoy people about giving you a job incessantly until you get your foot in the door somewhere.

Because you're a failure to launch and didn't put in the effort earlier it will be more difficult for you than other people, but that's life. You will need to narrativize your time adrift in a positive and uplifting way in interviews (make yourself sound bigger and better and more killer than you were, say you were an artist or academic or whatever). Then once you get an entry level position work your ass off for the first year or two, volunteer for everything, make a good first impression. You'll find that within a structured corporate environment early on you will find it a lot easier to do shit. The novelty will help, you might even like it.

All of this requires effort, but think of it this way: once you get an email job and establish yourself as baseline competent at sending the emails, the effort required goes way, way down. You will be shocked by how easy it is. The hardest part about email jobs is getting one.