Question

how did chuck feel on returning home after four months hospitalisation?

Answer 1

After returning home after four months he feel very boring in home because his wife gone for work and duke was in his kennel.
Chuck feel that it is good in hospital than in home because in home their is no one to talk to him but in hospital there are many people to him he is good in hospital. That chuck feel after returning home. 

Answer 2

After returning home from hospital Chuck went into depression. Every morning when Marcy left for work Chuck was alone in his own thoughts and pain. In tje hospital there were other injured people but at home Chuck was alone and realised his pain more.