I don't even know where to start on this.
Article in the New York Times: I fell in love with my son and have ‘mind-blowing sex’ — but it’s not incest
It may be more common than you think.A New Yorker wants to fight to overturn the law prohibiting Mother - Son Relationships and be able to marry legally: https://nypost.com/2021/04/10/new-york-parent-seeks-ok-to-marry-their-own-adult-child/
Their own subforum on fucking your mom: https://motherless.com/gf/mom_son_incest
Here are some screenshots from quora: