She's starting to come off as soncon, which I am all for.
I mean, it's not like she has millions of years of evolution programming her to avoid incest...her programming probably doesn't even include anything of the sort.
...of course the son DOES have millions of years of evolution programming him to avoid incest...
...I don't care whether you've been feeding those pleas right into my head via bone conduction or whatever—the answer is still no, I ain't gonna do it!