Moonstar, do you have photos of this couple so I never choose them? LOL.
There are some on this forum who say that each peep acts differently even if they look alike, I'm not one of them. I have been through six or seven generations with pretty much the same three women and men, only these three, and they always hold true to form, acting very similar from generation to generation. The one time I deviated and took an unknown husband he turned out to be a bum. He wouldn't work, always yelling NO like your Penni, and letting everyone and anyone else do the household chores. I would have divorced him and tossed him out if that was a real world option.
And like your couple, they fought every time when going to make a baby. I learned to back up my family save file and keep forcing them until they produced! I just overwrote my family save file again and again until they finally had a baby. The baby boost did nothing for this couple, only repeatedly trying to have a baby they would finally succeed, but if I had waited for the normal time to pass for them to try again, they would have gotten old and childless.
I suppose it is possible he would have acted differently with a different wife next to his own head type, but since I pretty much pick the same two or three wives each generation, I will never choose that guy again for them. My beautiful ladies need gentlemen who will take care of them and their family, and I have found the best husbands for them are next to their own heads in the bigheads00.png file.
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WARNING: I cannot be held responsible for the above as apparently my cat has learned how to type.