Convincing Sounds

On a nice winter night, Gilbert and Feliciano come across a, what you would say, unbelievable situation. They knew that Maria and Germany loved each other, but... what they hear in the room is a little more than they expected from the two at... such a early stage of love... Hopefully the two won't be in too much of trouble for eavesdropping, but I think they'll sure regret it...