"Sirius was very good at living in the moment," Remus agreed, his smile becoming wistful. "But Serenus is right - you were good for him, Gaius. I knew Sirius better than perhaps anyone, and he was the love 'em and leave 'em type. Until you. Sirius wasn't the type for wedding and babies and picket fences, but he loved you, and was committed to you in his way."