Atheism and the meaning of life - what drives you?

[Astreja]

But how do we give meaning to experience itself? To “I”? Some people leverage that experience for its own sake is the meaning, but I just don’t follow. I’m missing something.

I think I see what you're getting at, and now I'm confused too. It's one thing to say "that was a meaningful experience," but what's going on under the hood? What is the mind actually doing when it perceives meaning? Is it a particular kind of neurological connection, for instance, between certain brain regions?

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Put into context of reproduction and evolution, all life has meaning. But something tells me you guys want something more personal.

Yes, "my meaning" as opposed to a generic one. Evolution seems to operate fine without it, but individual human behaviour often benefits from having goals, plans, purpose.