Why do you think this is so?

Once upon a time there was a girl I loved. She was my ex-brother-in-law's cousin. I really liked her. I realized that she loved me too. But after a while, even though I told her I loved her, but I didn't get a response. We follow each other on instagram and we both have each other's number. We haven't spoken for a long time. But for some reason, sometimes I check to see if instagram has unfollowed me or deleted my number. I think I'm scared she's gone. Why do you think this is the case?
Why do you think this is so?
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