Why would a girl change the caption from instagram pic....?!?!

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Adreamuponwaking
@Adreamuponwaking
10 Years5,000+ Posts

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So this girl took a photo of me and her when I wasn't looking about 5 years ago....

and the caption used to read last night with my boo.

and i just realized today when i was scrolling through her old photos...she changed it to last night with boo boo about 5 months ago.

why would she do this?

( mini background this is the girl who has tried to hook up / have sex with me 4-5 times throughout are on again off again 11 year friendship)