I'm a pretty obsessive guy, and I've found it's hard to escape obsessiveness. So the thing that works for me is having multiple obsessions I can swap between to avoid burnout. Like, I might be really into a book or show, but then I also love hiking, so I can alternate. Or, I'm big into certain academic subjects, but I'm also really into furry hypnoporn, so if I'm tired writing an essay or listening to an educational podcast, I can swap to writing some smut or browsing a favorite site.

Basically, if you have multiple obsessions that engage different parts of your mind/body, and you swap between them when you feel burnout coming on, you'll be able to rest the parts of yourself that would get burnt out. This is especially good if you can get into something athletic or in nature: in my case, after an hour or two hiking, I'm refreshed and ready to jump back into whatever computer thing I'm working on.

Also, just self awareness and giving yourself a break when you think you need it.