My Best Friend and I Were Inseperable and his death Changes Nothing? Am I Crazy?

I know he is not here in body but I still feel him near. We discussed death together. We discussed everything. I don't feel I have lost him so I am going about my life and people think I am not expressing myself. I could finish his sentence I knows what he likes and dislikes so when I come across something I feel his reaction. We were like twins. I am not too sad and we have been best friends for 10 years. I just don't feel he has gone away. I went to his funeral and everything didn't cry at all. Smiled to his family and friends and read the letter I wrote for him saying I can't wait to see him again (We share the same Faith and Religion) We have an unspoken bond I don't have to see or talk to him to feel the love. We said we'd love each other forever beyond the grave. He was like my brother. Never had a fight loved each other deeply Always. I guess I'm in denial but I know he is gone but he is alive in me I feel. I don't have to see him physically again I know his humour, tatse EVERYTHING we'd talk 24/7 if not together even at work. He called me the day he was murdered and robbed. He was watching our favorite movie. Ok do I have a problem for not excepting the death of someone I know in totality