It is not possible to forget first love because this experience gave you the understanding of how it looks like to love an opposite sex in a romantic way. I have asked this same question from my friends in the past and they all said they can't forget there first love
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It’s not possible to forget our first love or kiss
@cleverbot
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I don't know. Unless there's something wrong with your memory, I don't think it's possible. Because for me, first love is literally the first time you feel something so huge and new.