The way I meant what I said earlier was more that you gotta be able to be alone and be happy before you can be with someone else and be happy.
If you are a miserable little pillock by yourself, all that will do with another person involved is eventually devolve back into itself. You might be happy for a while, but when they aren't around (trips/works/whatever) you are a sad miserable little pillock without them, it doesn't change YOU for the better. Or you end up dragging them down with you.
Another way to look at it, you can't survive with someone if you can't survive alone. Look at Walking Dead. It is almost to a point where anyone who is still alive is someone who can/has survived on their own. All the dead people? Those are the people who needed to be with someone, who needed to find someone, depended on another person. I won't put names because Drac will have a spoiler induced heart attack, but I think I can comfortably point out the internal characterization weaknesses of any dead main team member at this point and how they depended on other people instead of themselves.
Cats are like that... you don't pick them, they pick you.
Also this is super true. When we adopted Ana and Kira, Alley and I each picked one. Kira was a kitten and Alley picked her. Ana, when I went in she was on a top shelf and had a mean look to her, she has a snaggletooth so she always looks a little snarly. I was kinda dumb about it, I thought she would bite me but I wanted to try and pet her anyway and she licked my hand instead. At that point I knew I wanted her...
NOW though she only sits on Alley's lap, she sleeps on top of Alley and she will actually run to the bed when Alley turns her computer off because she knows it is bedtime.
She was supposed to be MY cat!