Ronan would hold his breath till he could her slippered feet make there way into the room he would sigh a little and silently slip up onto the balconys edge.  He would peer over to see which way she was looking only letting his eyes above the level of the edge so he didnt give himself away in the full moonlight out tonight.  He would then once she was not looking his way would slip over the edge and slide against the wall near the mouth of the balcony and peer in on his query.