She says they love each other the hardest (

), but they don't actually seem to like each other that much. How often does she say they've had a row and haven't talked for days? That's not normal behaviour in a healthy relationship, I know everybody has disagreements sometime, but to be falling out so regularly really doesn't support the picture she tries to paint of the happiest marriage ever. Both her and Joyce will often talk about separating, and him moving out to a one bedroom flat etc.
I think he's miserable, he hates having so many kids and would rather have left his boys with their mum had
gross not pushed for the "perfect patchwork family", and he definitely didn't want to have another with her, but again she pushed him into it. I bet he regrets his early knee-tremblers in the bushes with her, and he's only still around because he likes the money for doing nothing and the attention he gets from the rabid huns.