Hello chic: I'm sorry you lost your beloved cat. I've lost several pets in different ways over the decades. And each one hurts. Here are links to 3 articles from PsychCentral's archives on the subject of grieving the loss of a pet:

https://psychcentral.com/lib/grievin...loss-of-a-pet/

https://blogs.psychcentral.com/live-...a-pet-is-real/

https://psychcentral.com/blog/archiv...-for-our-pets/

Hopefully some of the information in these articles will be of some comfort & support. I wish you well...