There are no children or grandchildren in my life, so this topic was a real challenge because I don't have any accessories to set the scene for an age-appropriate composition.
Initially, I thought it might be fun to capture him in the style of the genre "boudoir photography" . The results were silly or sick depending, so I'm not sharing them. No. Don't bother to plead, because I deleted the files.
Plan B: practice portrait photography some more.
He's held up so well over decades because for one, his fur is real sheep's wool and his paws and nose are made of leather; and secondly, I treated him more like a doll.