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--> If there are any "cardinal rules" about this otherkin stuff...here are a few I like most:
1. If something can be explained via being currently human, it should be.
2. Dreams are more often subconscious brain vomit (meaning your brain working through things in your current life while you sleep) than anything of worth. They should never be taken at face value.
3. It is a much better idea to collect personal evidence and then try to make sense of it as opposed to fitting things to an idea.
I'm not saying that you aren't otherkin, just that there are things you should keep in mind while exploring.