Emotionally Numb 

Being so hurt you can’t cry anymore or having no feelings at all

Jerry became emotionally numb after his dog died and girlfriend broke up with him.

Emotionally Numb by Armani09 October 21, 2023

emotionally-numb 

A term relating to apathy, the complete lack of emotions.

"I'm so emotionally-numb that I didn't react to see a picture of an aborted baby.....I guess that is bad, isn't it. It makes me think, but I don't express it."
-me

emotionally-numb by Dave April 16, 2004