No-one here is actually explaining it like you’re five, so I’ll try.
Space is very big. There should be aliens everywhere. But we can’t see any. Is it because
-We’re the only ones here?
-We’re the only ones who lived long enough to get smart.
-We haven’t killed ourselves like everyone else yet but we will soon (scary)
-Something else is killing all the aliens and we’re next. (Scarier)
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