How does charlie resond to pete van reappearance?

When Pete reappaers, Charlie is confused and disoriented. He initially seems to think he is still in a dream world. When Pete reveals that he is real and that he has come to help him, Charlie reacts with a mixture of fear and relief. He is afraid of what Pete might want from him but also relieved to have someone to help him. He quickly becomes grateful for Pete's help, as Pete helps him to remember his real life and escape the dream world. As they work together to escape, Charlie begins to trust Pete and grow close to him. He eventually comes to see Pete as a friend and ally and is grateful for his help in saving him.