I wish Nishikata would stop being such a grade schooler.
You can hug your wife, it's fine, no one's gonna think your a pussy, no one's gonna think that's lewd, not even your daughter.
They probably won't fuck , the mother probably just really really loves her son and finding out that he tried to commit suicide she has shifted priorities and is willing to abandon the NEET and the grandma.
Edgy McLonewolf
They already skipped 2 years, hopefully next they skip 3 years where he's already forgotten about revenge because he had a redemption due to his harem.
I love this Manga don't get me wrong but I have to suspend my disbelief when I see a married man with a daughter getting flustered for things like this.