Answer:
happy or cheerful
Explanation:
lightly most likely means she is carefree which is a happy calming trait.
she was also smiling and skipping which means she happy and also shows hints of innocence
It's more important to what a person does because as they say, actions speak louder than words do. A person can think a certain way but not act on it but what a person does reflects what they decide internally and what they wanted to do with that idea externally showing that they are serious with that idea of theirs in their head.
By because does any of the other answers work it’s just common sense right there