[As they reach the lab, Arthur opens the door and looks in. He's not going to leave if there's nobody else in there.]

Do you like science-- [He looks at Hayley.] --or just the company? [After all, if Capa's the only person she trusts... He just wonders how paranoid Hayley is, if she tries to minimize her time spent alone on the Barge, or if there's no other reason to her sharing a job with the person she trusts, other than a mutual interest.]