I think both pics look good. It seems like CG gives his less volume. I personally don't care for big hair so I like the second pic better. I am modified CG. Full CG makes my hair greasy but I naturally have an oily scalp. Your son's hair doesn't look greasy. I wonder if you lied to your husband and said you used shampoo if his opinion would change. Sometimes it's the idea of not shampooing that turns someone off more so than the actual result.
3b/c, medium-coarse, low porosity, low density
HG: Jessicurl Too Shea and Kinky Curly Curling Custard
Shampoo: nonsulfate shampoo and Suave Naturals sulfate shampoo when needed