The "30 years" thing is an incredible exaggeration because Brian was still recording music occasionally after SMiLE. Also, remember, he ran a health food store during this time as well. That was an actual business location.

His mother says, in one of the documentaries, his father would get the same way.

What are your favorite Beach Boys/ Brian Wilson influenced tunes
https://youtu.be/YWbSdrUFe4Y?si=-aAr-KgAXsmJEIzL
https://youtu.be/OYU4CE2WQmA?si=4KBwUYulwIZIALVW
https://youtu.be/P9OZ_5lnzB8?si=hdnhJHhPQHPaDEcU

I'm pretty much at pic related in my life. Not doing anything with my life but getting fat and sitting around my place, constantly depressed. Feels like life wants me to get my shit together, so it killed two of my idols growing up this year.