My three year old cat, who is normally gregarious loving and warm, is not taking kindly to the presence of the 6 month old kitten I adopted. She is a spayed female, he is a neutered mail. Both are pretty active cats. She camps out in front of the door, and responds less to me... The aggressive behaviour toward him has not abated at all (ie., under door hissing, reaching with paws, etc.) - He does not seem to be aggressive toward her, though. The thing that's making me most upset is that she's now becoming mean to me, howling, swatting, attempting to bite. I can't express how upset I am. It hasn't been a full week yet, so maybe I'm worried over nothing, but it's just very very upsetting, because I love her very much, and she means the world to me. I adopted the kitten in order to save him from being euthanized, and partly in hopes of keeping my first cat stimulated and active while I am at work, etc. I've been following the myriad introduction guidelines, and not sure what to do next.

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