A client experiencing a tremendously stressful situation says, "My baby was diagnosed with terminal cancer 2 months ago. I'm either crying or walking around like I'm in a dream. I can't believe this is happening. What did we do to deserve something so horrible? The doctors can transplant almost every human organ, but they can't stop my baby from dying. I'm so angry. Most days I just want to take my child and run away." The nurse determines that the client is mainly expressing what?