Unlike grief theories that propose defined stages, grief is not linear, nor is it universal. We grieve differently.
Now I feel nothing. I’m numb. My psychologist describes it as “taking care of business,” reframing what I’m going through, my coping mechanism, in a positive way.
Quoting MedlinePlus, NIH, U.S. National Library of Medicine at https://medlineplus.gov/ency/article/001530.htm

Grief

People’s responses to grief will be different, depending on the circumstances of the death. For example, if the person who died had a chronic illness, the death may have been expected. The end of the person’s suffering might even have come as a relief. If the death was accidental or violent, coming to a stage of acceptance might take longer.

Symptoms

One way to describe grief is in five stages. These reactions might not occur in a specific order, and can occur together. Not everyone experiences all of these emotions:

• Denial, disbelief, numbness
• Anger, blaming others
• Bargaining (for instance, “If I am cured of this cancer, I will never smoke again.”)
• Depressed mood, sadness, and crying
• Acceptance, coming to terms

People who are grieving may have crying spells, trouble sleeping, and lack of productivity at work.