So I essentially have either burnt out on ideas or just don't like my style anymore. Either/or, what are some good things to do to keep songwriting fresh and interesting?
You've got writer's block, man. Happens to any lyricist from time to time. Just ride it out and keep trying until it clicks again.
Do you feel warm within your cage?

And have you figured out yet -

Life goes by?
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There's a dick on Earth, too
It's you