Try writing from the perspective of the person watching. For example:
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Every night he sits right there, and I stand just here. Watching. If he knew I was here, he wouldn’t thank me. Sons are blind when it comes to the sacrifices a mother has to make. He’ll never realize the danger he’s in, or what I have done — what I must do — to save him.
You think I’m being melodramatic, but you have no idea. You see that birthmark on his upper arm? Michael had the exact same birthmark. He wouldn’t believe me, either. I told him that the devil would come for him if he didn’t rid himself of it. I begged him to have it removed. He smiled at me with that know-it-all smile, just exactly like his father’s. I could see the thoughts behind his eyes. His father’s eyes were the same shade of misbegotten blue.
His disrespect was bred in the bone. But still, a mother is responsible for her child’s welfare. A mother must see danger and stop it. He wouldn’t take action, and so what choice did I have?
It was too late for Michael, but I won’t make the same mistakes again. Tonight, just before closing. I understand how to use the scalpel now and I’ll save him, no matter the cost. He’ll thank me afterward, wait and see.