How do you care about stuff?

I personally never had a problem with caring about people but I do have a problem with caring about basically anything else, the things I care about are very limited and I want to know how people get motivation to want to care about doing other things, a perfect example would be that I like the idea of getting a partner and finding love which I know I can love someone but I don't really care if it happens or not, I'm not depressed or none of that so it's just more of a lack of giving a shit technically, is there anything I can do to change it or is my brain just formed this way and it's a piece of my personality? 🤔
How do you care about stuff?
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