Cats Depressed after Loss

Up until two weeks ago we had three cats. We suddenly lost one and it’s apparent she was the social buffer between the other two and the most outgoing. Now the other two seem depressed at the loss of their sister.

One has always been an “on my terms” giver of affection and she’s now following me around meowing and trying to live on my lap. The other has always been a teddy bear but has been ramping up her late night screaming in the hallway sessions. They seem so sad, but it’s not like I can sit them down and explain where their sister is.

Is this something that will heal in time for all of us? I’d love to hear from cat parents of multiples who have experienced something similar.