What type of relationship did the …

The author and his grandmother shared a relationship which was very strong.The author had a lot of respect and admiration for his grandmother and her love for the author was limitless.Earlier, they shared everything including the room.This closeness strengthened their bond. When the author was asked to shift to the city along with his grandmother to stay with his parents,their relationship underwent a change. Their interaction became less as the author grew older. He moved to a foreign university for five years. Even though now the physical proximity was less, conversation lesser,but the basic foundation of their relationship was extremely strong. The grandmother kept a tenacious hold on to her life till her grandson returned from abroad. Only after seeing him, she breathed her last.