Why does she take forever to open snapchats?

gboi98
Girls, this must be a thing but I send this girl snapchats and it may take her 2-12 hours to open it. Then she feels like she has too respond to every one but sometimes its just a picture of the ground. None of my male friends do this. Please explain if you can. Thank you.
Updates
+1 y
She also adds stuff to her story but doesn't open snap
Why does she take forever to open snapchats?
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