I will appreciate any input.
I've had Masha, my female cat for 5 years. Couple months ago we brought in a new female kitty (Njusha) and Masha has been under A LOT of stress. They still do not get along at all, although Masha now only hisses when the little one tries to be affectionate...
When I got my new kitten (we already have an adult female cat) she was about 5 weeks old. I just followed a craigslist ad which said kitten were 8 weeks. Turned out it was some sort of a crack house and they owners of this poor babies were selling them for $50 each... well, crack ain't cheap I...