First of all, I am so sorry and I am offering my condolences.
Secondly; Im going to share my own story on how I cope with the loss of loved ones.
I lost my grandpa like 10 years ago.
I was studying art overseas then, and I havent see him for about 3 years since I graduated from high school. Out of nowhere, I felt the urge to visit him on my next holiday. A month later I got a call from my mom, telling me that my grandpa is dying. I insist to go back. But my mom said that I couldnt, that I had to study, etc. The second time she called me again she was crying, and told me that my grandpa just passed away. That night I cried and cried. The next morning, I skipped class and stayed in, again crying. On the second day, I stayed in again, but this time I couldnt cry anymore. My tears had dried up. The only thing that left was just an empty feeling - painfully beating my chest. Slowly I began to realize, that the only thing I could do was accepting that my grandpa has gone. Then, my pain slowly disappeared... Im not saying that the pain will gone away in a snap, no - it wont. It takes time. Realizing and accepting that he was gone, is my way to cope. It is times like this that I most feel the physical distance that separates me from him. But emotionally, I still have him, here in my heart.
I still miss him very much. Even now, when Im writing this down, Im thinking about him. I hope you can cope. I really do.
PS: I miss you grandpa; thx for everything; thx for all the love you gave me. I love you... always...