You did not kill the fish only to keep alive and to sell for food. You killed him for pride and because you are a fisherman. You loved him when he was alive and you loved him after. If you love him, it is not a sin to kill him. Or is it more?
When writing a novel a writer should create living people; people not characters. A character is a caricature.
The individual, the great artist when he comes, uses everything that has been discovered or known about his art up to that point, being able to accept or reject in a time so short it seems that the knowledge was born with him, rather than that he takes instantly what it takes the ordinary man a lifetime to know, and then the great artist goes beyond what has been done or known and makes something of his own.
If the others heard me talking out loud they would think that I am crazy. But since I am not crazy, I do not care.