Have there ever been happy families?

They say storks are monogamous, but apparently humans aren't. Otherwise, humans would live monogamously. It would have evolved that way, and even millennia of religious indoctrination toward monogamy haven't achieved anything. People still cheat and only commit to one person when there's no one better around. A devastating thought. Families now seem like the biggest…

What happens after death, after the extinction of humanity?

Hey, this one question is driving me crazy. I'm so interested in astronomy. If humanity dies out in a few billion years, and the Milky Way collides with Andromeda sometime in a few quadrillion years, then I don't think Earth will exist anymore. My question is: what will happen to us? Are there any theories?…