Love wounds and love experiences have this peculiarity - they may be hidden, but they never close; they are always painful, always ready to bleed when touched, and remain fresh and open in the heart.
The protagonist crossed a kind of invisible line. He felt as if he had reached a place he never thought he would have to go to. And he didn't know how he got there. It was a strange place because he lost the memories of all. It was a place where it could be tortured for eternity, or he could find dreams and love, something as far away and distant as the star-filled universe he observed every night.