And sometimes they talk about Moortje and I can't take that at all. Moortje is my weak spot. I miss her every minute of the day, and no one knows how often I think of her; whenever I do, my eyes fill with tears. Moortje is so sweet, and I love her so much that I keep dreaming she'll come back to us.

What is the mood of this excerpt?

optimism
longing
joy
confusion