A momentary childish feeling of giggling as she ran hand in hand with someone she had a crush on.
Leonor never got to experience something so pure as a child but, as she sped through long hallways with the love of her life in tow, she felt that bubbling feeling. It only escaped in the form of light laughs.
Finally, they were free to roam through a place that wasn't someone else's. Even though it certainly wasn't theirs, there was more freedom knowing a noble wouldn't be around a curve or they had to keep up a proper facade that became exhausting after only a couple of hours of use.
Leonor was proud of Desmond's behavior in front of well-trained nobles despite having grown up in much of the opposite environment. He must have worked hard to perfect his mannerisms and way of speaking in the time they were apart. It certainly had to do with his growing up but he worked hard to make himself a duke, nonetheless.