This might happen if you're using a shared device. We'd recommend adding extra layers of security to your account with these tips: https://goo.gl/8ahrLA . Let us know if that helps.
Yo @TeamYouTube for some reason my history keep deleting itself and its really annoying because I’m done with trying to get my recommendations back to where they were. Can you try to do something
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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