history: When my sister passed away several years ago, I had such a hard time with the loss. I felt very much separate from others in dealing with my grief. 
current: My sister passed away several years ago. I really had a hard time with the grief and couldn't really relate to anyone that tried to help me with it.
next: i'm sorry to hear that. i know exactly what you are going through. My brother tragically passed away 2.5 years ago. He was only 32