How do I introduce a new adult cat into the family when we already have an adult cat, any ideas?

Start out with the cats in separate rooms. That also means separate litter boxes and food and water. Odds are one of the cats will probably want to hide under the bed anyway.

As you move from one cat to the other, they will naturally smell the scent of the other cat on you. Eventually, the bedroom cat will want out to explore or the rest-of-the-house cat will want in the bedroom. Supervise the first few visits as the cats get used to each other.

The process should take about three days. I live in an apartment, so we didn't have room for a "neutral" area, but as long as each cat has a safe place to retreat, it shouldn't matter.

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