Of course she's happy-go-lucky but isn't everyone, to a certain extent, afraid not to be?
"It was one of those times you feel a sense of loss, even though you didn't have something in the first place. I guess that's what disappointment is - a sense of loss for something you never had." - Dab Caletti
It can't rain forever
so they remain 'obscenely, heartbreakingly hopeful'
with absolutely no right to be.