Love is a kind of dementia with very precise and...

Love is a kind of dementia with very precise and oft-repeated clinical symptoms. You blush in each other's presence, you both hover in places where you expect the other to pass, you are both a little tongue-tied, you both laugh inexplicably and too long, you become quite nauseatingly girlish, and he becomes quite ridiculously gallant. You have also grown a little stupid.