Why will a female friend block me on Instagram, FB, calls and WhatsApp for not replying her messages and then later unblocks me on WhatsApp and calls?

Why did she unblock me on WhatsApp ad calls after blocking me on every social media and from any means of reaching out to her?

Why will a female friend block me on Instagram, FB, calls and WhatsApp for not replying her messages and then later unblocks me on WhatsApp and calls?
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