I have a nearly 4 year old neutered female cat. I have been thinking about adopting another cat, but I fear they won't get along. Current cat is not really social, rarely likes being touched, instead requires attention: playtime, being near (but far enough), etc.
What are your experiences with second cats? Are there age / gender combinations which are the safest?
Edit: thanks for all the replies! Forgot to mention that she is an indoor cat.
A few years ago, I found myself wondering if my cat wanted a buddy, so I signed up with the local shelter to foster, figuring if it didn't work out, I'd have an easy "out" to find the new cat another home. I actually wound up fostering a few litters of kittens before adopting a second cat, and have also continued fostering.
If you decide to adopt or foster, be prepared for the first few weeks to be challenging. Read up on Jackson Galaxy's guide to cat introductions, and move slowly from step to step. The guide is in 5 parts, here's part 1: https://www.jacksongalaxy.com/blogs/news/cat-introductions-part-1-before-the-introduction
Some cats accept new cats within days, others may take weeks or longer. My oldest is always super pissed off for the first few days, but we usually reach "Eat, Play, Love" around 2 weeks.
I added a second one and had a lot of trouble. Years for them to coexist relatively peacefully. I also recommend people foster to ensure it’s a fit before committing, it can be difficult if they don’t get along.