"Because it wouldn’t just be sex for me, Sirius! Not with you! If I had you once, I’d want you forever. I already do want you forever. And having you without keeping you? Watching you walk away?" Remus gasped for air. His hand flew to his own chest, right over his heart, and his fingers closed around the fabric of his t-shirt, squeezing it in his shaking fist until the knuckles whitened. "It would kill me."