She Felt Lonely
When Jessica realized she would be alone during her pregnancy, she buried herself in her thoughts for a while. Despite her best efforts to persuade herself that she needed to show more compassion because of the nature of his job, and despite having her friends and parents visit occasionally to keep her company while she was gone, she was still not having any of that. Her limit had already been crossed. This would have been a sensitive conversation with her husband, but she was alone in her head.