I saw someone say how robbe is falling in love here and LET'S TALK ABOUT IT. Falling in love with a person isn't something that just stops at once. It keeps happening as you discover new parts of that person. And in some moments, you fall hard, you get lost in the small details and intricacies of that person, the love hits you from all directions and consumes you in the best way possible. This, to me, was one of those moments. Robbe is absolutely enamored by Sander here. It wasn't the first moment he fell in love with Sander but it was one of the moments he felt that love relatively stronger and in all its intensity. He has nothing but affection and adoration for Sander in this moment. It is evident from his eyes and expressions. Now think about the fact that this moment was a part of Sander's unfortunate episode, something that he never wanted Robbe to see. Something that Sander considered a reason he would never find anyone who'll love him, all parts of him. Something that would drive Robbe away if Sander let robbe see those moments of weakness. A part of Sander that he thought was unworthy of love and care. And then in this moment, Sander wasn't able to control and hide those parts of him and Robbe saw him and all he did was fall more in love with Sander and everything about him. Nothing about Sander scared him off. He took in all parts of him, cherished them. It's just beautiful that Sander was most afraid of Robbe not loving him anymore once he saw that part of him and the first moment his guard was down, Robbe falls more in love with Sander, that this particular moment where Sander is most vulnerable is one of the moments Robbe is falling so hard for him. It just affirms how Robbe loved all of Sander. Since the very beginning.