"You just haven't found the right person yet" is what a lot of arophobes (I think that's the right term?) say to aromantic people.
If you want, you can say that you are aro now, and then, if it turns out you aren't, change your label. There's no shame in that.
Even if you do "find the right person," you might be greyromantic, which means "on the aro spectrum but sometimes feeling romantic attraction."
Either way, don't be afraid to call yourself aro just because of the chance that you might not be. Everybody's got a journey.
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