1. The name of the column is "Motherlode," but it's more Fatherload.
2. The man pauses, shirtless, in the middle of doing a diaper change, to gaze at himself in the mirror and contemplate his body.
3. The recipient of the diaper change is not only old enough to speak in full sentences, but is mature enough to notice his father's self-esteem issues and to boost his ego with a line — "You look great" — that's in the traditional category "Things men say to their wives" not "Things sons say to their fathers." (The latter category should not include any complete sentences delivered during diaper changes. "Things sons say to their fathers" during diaper changes should consist of little more than "da da.")
4. A grown man, who tells us he's not overweight, not only shames himself over his body, he shames himself for shaming himself and calls it "body bullying."
5. A grown man who's ashamed of his self-shaming attempts to counteract the shameful shaming by engaging in another, presumably better form of obsessing about his body which he labels "ironic 'fat talk.'"
6. It's not until the 10th paragraph that we learn he is not married to the mother of the diaper-using 2-year-old boy, and the way we find out is through one of the examples of his "ironic 'fat talk.'" He says he's "fond of asking my lady friend if clothing items are 'gripping my curves.'" Lady friend. You have a child, man. And you think banter with your girlfriend will amuse us? We're reading the "Motherlode" column, and we're still wondering about this poor boy and the effect on him. We don't enjoy this sudden appearance of the coyly named "lady friend"!
7. Finally, in paragraph 12, we get concern for the boy, which comes in the form of worrying about his inheriting the dad's physical and mental tendencies (putting on weight and self-shaming). The concern about the contagion of bad personality traits almost immediately brings this man back to his own needs: "And at what point does being a good parent and setting a good example drain us of our personalities?"
8. His realization that he needs to refrain from self-shaming for the sake of his son immediately brings this man back to benefits for himself: "I’ll think more positively about my body and myself."
9. He's picked up that "my body, myself" duality that's been pandered to women since the 1970s. You are your body, mister. Deal with it.
10. The last 3 paragraphs don't even mention the boy. They're only about the man and his "lady friend."