How do I love myself?

I’ve always felt very insecure in all my relationships (platonic, familial, romantic, etc) and I’ve realized that the root problem is that i don’t love myself enough to let myself be loved. The smallest negativity from someone will cause me to spiral into thinking that they hate me and that I’m the worst, and i’ve realized that i’m just constantly waiting for the needle to drop, for people to be like “yeah i never liked you”.

any advice on how to build secure love with myself? i have such a hard time believing im capable of being liked. any books/videos/ etc is appreciated. this is something i really want to work on