My step out of reality.

[guohua]

Hi, to answer your question, they are aware of each other and can exist on the same plane.
No, I don't think cigarette butts will be a factor.
OK, you didn't leave any physical part of yourself there.
We're stump!

Everything you touch scrapes off skin cells, Cigarette butts will have both skin cells and saliva. It's why they are used to gather DNA evidence. 

.

Yes, Yes you are right of-course.
That could be left behind, You think?
That is interesting, yes, I can see the link to him now.

Absolutely. It would be left wherever it was deposited - in this case, in an alternate world-timeline-universe-dimension.

There may be microscopic parts of him "there" which link to the him " here" via entanglement. They would be parts of "him" from his body which is "here" - not an alternate version of him.


The old Irish pre-Christian legends warn people to neither eat nor drink "there" in Tir na Nog. I speculate that may be because you would then be bringing parts of "there" back "here", parts of "there" which would then be incorporated into your body "here" and become a permanent part of you, linking you forever with the "otherworld".

.

Are there any links to articles about your Tir na Nog stories?
That sounds likely.