Grief and Fear

10 years ago I lost my husband.

https://www.psychologytoday.com/gb/blog/what-the-wild-things-are/201509/grief-and-fear

Grief and fear can feel similar because they both involve a sense of danger, uncertainty, and disorientation. When grieving, you might feel like you’re in uncharted territory with no direction, similar to how fear can feel when facing an unknown threat. Both emotions can also cause physical sensations like a fluttering stomach, restlessness, and difficulty breathing. 

Here’s a more detailed look at why grief can feel like fear