Something is seriously wrong with my phone?

i have notifications on for instagram so when someone i follow posts something i dont miss it but i am not getting the notifications of them posting something on instagram on my lock screen or notification bar and also i am receiving messages on my iphone messages of suggestions of people who are on facebook but i... show more i have notifications on for instagram so when someone i follow posts something i dont miss it but i am not getting the notifications of them posting something on instagram on my lock screen or notification bar and also i am receiving messages on my iphone messages of suggestions of people who are on facebook but i never turned that on for that to happen. i seriously dont know why this is happening or what is going on but when i came back from greece this summer is when all these things started happening
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