Won't to mete up

Meet Loyd

He sent me multiple messages that I responded to negatively (only when they became incessant). I asked him to leave me alone.

Then he sent this:

I admit. I was mean. But I sort of wanted to know.

I'm also not sure what dog fishing is, exactly. He fishes for dogs? He takes his dog fishing? He's a mystery wrapped in a conundrum wrapped in an enigma is Loyd.