He wants me to be a sex back up and I want a relationship. Do I need to move on?

If a guy sees you only as a back up sex, placeholder until someone else comes along, is there a point of even talking to him about it? Would I be wasting my time if I ask him how he sees us?

Should I just block him and move on without a word?

He wants me to be a sex back up and I want a relationship. Do I need to move on?
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