[It is; it is frustrating. Impatience, anger, anything like that; she could sink her teeth into it, for the same frustrating and unknown reason Eren went cold on her again.]
[It’s a cruelty that he doesn’t.]
He can’t hear it. What’s the point?
[I don’t want to.]
[She shuts her eyes, repulsed.]
Other options:
no subject
[It is; it is frustrating. Impatience, anger, anything like that; she could sink her teeth into it, for the same frustrating and unknown reason Eren went cold on her again.]
[It’s a cruelty that he doesn’t.]
He can’t hear it. What’s the point?
[I don’t want to.]
[She shuts her eyes, repulsed.]