Sigrid Nunez Quote

It is widely believed that although animals don't know that one day they'll die, many of them do know when they're actually dying. So at what point does a dying animal become aware of what's happening? Could it possibly be a long time before? And how do animals respond to aging? Are they completely puzzled, or do they somehow intuit what the signs mean? Are these foolish questions? I acknowledge that they are. And yet they preoccupy me.