Ok so my cat had 3 kittens just over 9 weeks ago .
One went to my Dsis and one to my Neice as I know they will be cared for and I'm keeping lord Dustin .
Herbie the last kitten went to his new home 2 hours ago and ever since LD has been sat in his bed crying for him while his mum runs round the house looking for Herbie .
I feel dreadful , I have actually cried 
Dp thinks I'm mad as I keep telling him to go and get Herbie back which isn't possible as my 13yo neice would be devastated .
I don't know what to do I feel awful