Do you feel like anyone actually cares?

I'm in a slump because I forgot my meds this morning. I've taken them now, but it's still led to the thoughts coming back.

The title of this post is not me saying that nobody cares about me like I used to. It's more a feeling of lacking social activity and affection. I'm not particularly close to anyone any more, and I know I'm not exactly high on the list for for people when they want someone to talk to or hang out with. The problem with that is it's extremely isolating and lonely, and can lead to feeling like nobody likes me despite knowing that isn't necessarily true. You can like someone and still not want to spend time with them. It does sometimes feel like there must be something wrong with me though. In typing this, I've realised I'm struggling more than I thought I was. I'm trying to be a good friend to myself, but when it feels like you're the only real friend you have...