If they want to get married, let them be as long as they're happy and wala sila nakatapak ug laen tao.
And who are we to judge them? Does God judge them also?
Wondered what's next? We don't know, remember humans evolving, so we don't know how capable we are sa ato mabuhat or mga lagpas mabuhat sa mga tao. It's up to us to accept or not.