I wanted to say that I admire you and your wife's selflessness. Many people _know_ these things, but avert their gaze because they want kids, or don't want to rock the boat too much by not having any.
> or don't want to rock the boat too much by not having any.
Why is "not having children" rocking the boat. Intuitively, I would rather argue that (for example because of reasons outlined by the GP) having children means rocking the boat.
