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Hi @Joan_Jackson , Welcome to our Community
Lives received from Facebook friends are notifications sent in Facebook. They're held in your profile and delivered into the game once per notification.
This means that if you update Facebook, change your profile, reinstall the Facebook app or even update its app software, those Facebook notifications may get lost, as they've been delivered and cleared from the queue. While it is possible to store in-game messages from your friends, due to these factors outside our control, we cannot guarantee that they will remain on your device indefinitely.
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