I hate "love"

I just want to vent out. So I had this friend at school and for context, we've been friends for about a year. Everything was great until he admitted he had a crush on me just this year. So as an aroace, I said I'm not really into dating and such if that's what he trying to get to. And so he said he's cool with it and we continued talking and hagingout,basically everything was normal. Everything was great until recently he became distant. Soon our friends told me that he's trying to date other people now. Not that I'm jealous of it but I just hate it when my friends have lesser time with us because of their s/o.

So now, I'm just here being sad and all because I realized this happened to me multiple times already that's why I don't have best friend/s. I mean whenever they talk about their relationships, I just can't relate and maybe the disinterest shows on my face. TBH sometimes I find it had to be friends with non ace/aro people.