Responses
He is saying that bcoz hes worried about the kids being too "beautiful". Thats why he was partly relieved the kids turned out to be alpha since he thinks that makes them less vulnerable i guess? So he doesn't want the next kid to look like owne again especially if the kid turns out to be an omega. I think the whole fixation with i want the kid to look like this or that pretty stupid but yeah, thats manhwa logic
Don't most wife-con semes want their children to look like their parents instead of themselves? Weird that Nick wants babies like himself here if the author wanted to show how lovey dovey they are