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!
The exact amount of kids — however — remains to be seen; many reports seem to suggest he is proud papa to nine children. Though we can’t know for sure how many kids he has, he has admitted to fathering more kids than he initially admitted to Amber when they first started dating.