There’s a lot that we don’t know about Matt Baier — Teen Mom OG star Amber Portwood’s boyfriend who seemingly appeared from nowhere.
At least there’s a lot we don’t know now, as he soon plans to reveal all in an upcoming memoir called You Have No F–king Idea: The Naked Truth About My Life. So what do we know about Amber’s elusive fiancé?
Scroll through the gallery to find out!
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