I believe there is more to the spirit world than we at this day and age allow.
My grandma died in 1970. Suddenly. About a month after her death, my dad and my sister and I were visiting my grandpa. He was telling some story that we had heard many times, and one that my grandma always corrected the facts on. While he was talking, my sister and I both heard her laugh. We turned together to face the sound. She looked at me and I her and said"you heard it too?" It was a distinct laugh that no one else in the family could imitate. There was a warmth next to us also for a few minutes. I bleieve there are spirits from our family to help us, that are sent to give us comfort and guilde us- if we are receptive to the thought.