I'm glad to meet people with similar beliefs to mind that doesn't belong to organized religion but your own perception. I used to be Catholic but I am agnostic now I guess. I'd like to think there's something more.
Anyways, I think heaven is a state of mind like a dream almost and here is why. I don't believe most cases of NDE (Near Death Experiences) but a documented case of Pam Reynolds has her doctors confused. Youtube "The Day I Died" and also watch "Through the Worm Hole Near Death". Pam Reynolds was clinically dead, eyes covered, blood drained, skull cut open, and brain worked on. She was able to recall conversations and also explain in detail what the tool they used on her head looked like when she never saw it. Scientists try to debunk this case and have theories and explanations but truth is, the doctors were there and the scientists weren't lol. In Through The Worm Hole, scientists try to explain that perhaps consciousness does survive death and that there is tiny "information" in the brain of our micro tubules that are smallest that disperse when we die which is why she might've been able to see. If this is true, then this information/mind/consicousness is basically our "soul" or "spirit" if you will. Our minds are so powerful we can create our own realities, perceptions, see what we see, dream, imagine, etc. That is why I say heaven is a state of mind and why heaven might be perceived as how we want it. That might explain why everyone has similar NDE (Near Death Experience) but DIFFERENT altogether.
I think in heaven it'll be peaceful, time won't exist so we can't get bored, and we can do probably whatever we want. To atheists, maybe you can go unconscious and sleep if you don't want to exist but I think you might change your mind if you see how great this place is. We don't really have earthly needs. I can observe the past, I can explore the universe, see what's out there. I can be a creature if I want to but I want my memories. More importantly I can be with my loved ones forever. Christian "heaven" is not my liking because worshiping God for eternity, having chores, not remembering earth memories or loved ones sounds depressing to me. As well as reincarnating with not remembering.
I really don't like the idea of reincarnation and it confuses me. I don't see why you want to go back to earth if you could be happy and do whatever you want in heaven. If you want a "struggle" then you yourself can have one. I don't know why someone would want to forget themselves or loved ones. I don't like the idea of having 1000 different partners in the past life, parents, or children. I don't think it'd be "special" with that many.
I'm sad at the thought I don't know what my heaven would be like if my partner or parents decide to reincarnate and forget who I am... Doesn't that scare anyone else...thought of not remembering and losing your identity of what makes you special???
I just wanna be with loved ones forever and be happy. Not return to this crap place. If reincarnation to a cool alien like Avatar is possible i'd take it with only one exception..my memories and my identity...as well for my family and friends