I threw my back out lifting a box of my ex's things and now I can't stand up straight, even though I've lifted heavier things a hundred times before.
More people experience this than they realize.
Grief and loss can manifest as literal physical collapse when the psyche cannot process the weight of emotional reality.
“Where Are You with Somatic symptoms — when the body holds the mind?”
If this sounds familiar, the Library can help you find the bigger picture.