[ Lelouch has a lot of theoretically useless information stored away in his brain. If it's elegant, significant bonus to chance of knowing. ]
There's nothing wrong with just liking their aesthetics, too. [ Taking note of that. Her phrasing might be more revealing than she intended. "Having" her learn? Not "Teaching" her? Not "helping" her learn them...? ]
Ah. Yes, I admit I was thinking my sister might particularly appreciate flowers. [ The other 'we' he might have meant, the friendly one also encompassing Suzaku... he's not so sure. Does Suzaku like flowers...? ]