"I miss you," Chloe says.
She's talking to air again, although she's not sure why. Air is the reason the love of her life isn't here anymore.
She wished she would've known sooner.
She blames herself.
All Michael wants her to know is how he wanted this upon himself. He realizes now how selfish he was to want to commit suicide, because now so does Chloe.
Chloe is done with everything.
Herself.
Death.
Life.
Just everything.