Though he has no reason to doubt Hermione, he can't help but feel like he's being put on at first. This sort of sappy description reminds him more of some astrology reading than a realistic assessment. But the details add up too much for him to argue. Trouble expressing emotions, but finding it easy around Adia? Check. Realities of life outside their relationship? Well, if you count the attitude he gets sometimes simply for existing, then sure...

By the time she's done, he's blushing a little, which he vainly tries to hide by fussing with the knot of his tie. "Well, that's good to hear." He clears his throat and says gamely, "Why don't you toss me into an equation with you and your computer parts here. See if I can help at all."