Do Mother Cats Get Sad When Their Kittens Leave. Do Mother Cats Grieve. Once the kittens are weaned and taught how to hunt by her she will pretty much abandon them.

Unless they are still in the same household then they just become part. This is more to do with her nurturing instincts to look after the kittens than any concept of love. There are other meanings to it.
I think in many cases they do.
Normally this only happens for a couple of days and then Mom will go back to her normal routine. This means she is less likely to become sad or depressed subsequently. She might search the house looking for them or meow expecting a response. Depression in Mother Cats.

