That’s one way to look at it. Here’s another: unless you have an identical twin, there’s no one on the planet who is more closely related to you than your paren

That’s one way to look at it. Here’s another: unless you have an identical twin, there’s no one on the planet who is more closely related to you than your parents are. To a first order approximation, you are them. No one can make you care about other people, but if you choose to do so, your parents are a pretty good choice. They are the only people on the planet who will love you without contingencies. And they won’t be around forever.