Remus hesitates. "...co-parents?" He tries. Sirius raises his eyebrow. "Look, I—I want you, want to—to be in a..." Remus takes a fortifying breath as Sirius’ other eyebrow raises as well. "In a relationship. With you. If you want." Sirius’ face doesn’t change. "I’m just scared." Remus adds quickly, hurriedly, hoping Sirius doesn’t catch the last bit.