> evolution by natural selection only applies when the adaptation in question affects survivability before reproducing
> Anything that happens to you after reproductive age does not get affected by natural selection because the selection pressure of reproduction is gone.
You are mostly correct but must also consider traits that affect the odds children will fail to reproduce. People can for example be genetically predisposed to depression or impulsive anger or substance abuse or ... any of which can impact the survival of their children thus selection pressure does not entirely disappear after a child is born.
> Anything that happens to you after reproductive age does not get affected by natural selection because the selection pressure of reproduction is gone.
You are mostly correct but must also consider traits that affect the odds children will fail to reproduce. People can for example be genetically predisposed to depression or impulsive anger or substance abuse or ... any of which can impact the survival of their children thus selection pressure does not entirely disappear after a child is born.