Empathy: "the ability to understand and share the feelings of another."
It is exactly 'lack of empathy' for this man that you express. Put  yourself in his shoes. His world has been ripped apart, turned upside down -- materially,  physically, emotionally, and he is caring for a 90-year-old. 
You think you could learn a new language quickly at age 60?
By feeling a profound sadness about his homeland, does that suggest he "appreciates nothing.?"
The world-wide image of Canadians -- who live in one of the richest countries of the world -- as generous, caring people is repeatedly disproven by G&M commenters.