Your grief will take longer than most people think (minimum 1 year).
Your grief will take more energy than you would have ever imagined.
Your grief will show itself in all spheres of your life: psychological, social, physical, spiritual.
You will grieve for many things both tangible and symbolic, not just the placement alone.
Your grief will depend on how you perceive the loss.
You will grieve for what you have lost already and for what you have lost for the future.
Your grief will entail mourning, not only for the actual person, but for hopes, dreams, and unfulfilled expectations you held for and with that person.
Your grief will involved a wide variety of feelings and reactions, not solely those that are generally thought of as grief (i.e. depression, anger, sadness, etc.).
The loss will ressurect old issues, feelings, and unresolved conflicts from the past.