know they are going to die. All the hassles & miseries encountered in life; and to boot is, FEAR OF THE UNKNOWN. I guesss God will have His jokes. Me, I figure, try to live an honorable life. About the best ya can shoot for. Thing is, there may be nothing after death ( just a light switching off ). But what if it’s a light switching on?
The most logical IMO. I suggest religion is a human creation because of what you said in the first six words of your post.
No. It’s not unique to humans.