Scorpius has been so convinced of his own solution that he has forced Albus to submit to it. Blind to the consequences, he has insisted; assuming that he can find closeness and comfort in Avery's arms while Scorpius sorts himself out and pushes that perverse creature back. Now that he knows how naive he was - Albus will find love in addition to what Scorpius cannot give him - he no longer believes they can be happy together.