How does having an open adoption impact the relationship between adoptive parents and their children?

Why do grown adults seem to ignore all logic about adolescent development backed by science about 14 and 17-year-olds and gaslight people into thinking that it's normal for them to date each other?
In what ways have you noticed yourself changing over the years in your marriage, and how has that affected your partnership?
What might be the emotional impact on someone who chooses not to visit a relative with Alzheimer's because they won't be recognized?