Its absolutely okay if you arent interested in a relationship or dont want a relationship. In fact, its probably more common than youd think. If you do want to date, but something is preventing you from entering a relationship or dating, again, seeing a counselor or therapist can help.

Is it weird to not want to be in a relationship?

Its totally normal if you dont want to be in a relationship, because not everyone does. Its not weird to say so; in fact, its normal to be single at any point in your life and still not want a relationship or real commitment.

Is it weird that I dont want to date?

Asexuality is a sexual orientation, and its just as normal and valid as any other. Alternatively, many people who never become romantically interested in anyone are aromantic. Being aromantic is a romantic orientation, and like asexuality, its normal and valid.