I'd take the short path if its my first time going to their house and I don't really know where I'm going, but If I already know where I'm going, I'll take the long, scenic route every time, going to and from their place. I'd grab ten red and ten white, so they can have a nice, colorful bouquet with some variety. Realistically I'd ask the maid if my partner was home first, and if they weren't I'd just ask her to give them the flowers when they return, but for the sake of the test...I'd go up to their room myself. Assuming that the bed is the first thing you see when you enter the room, I'd put