"That would be great." Aidan agreed, then stopped and looked earnestly at Hermione. "But - and I'm serious here - please don't take any unnecessary risks. We both lost too many friends to this war already and..and I couldn't live knowing I have you or Ron on my conscience. If it's too dangerous, then please stay away from it."
He looked a moment longer at Hermione, hoping that neither she nor Ron would indulge any crazy, reckless Gryffindor-y behaviour, then broke the eye contact and changed the subject.
"Science and politics." Aidan scrunched up his nose. "Does it make me paranoid if I say that the combination makes me nervous?"