Armin has often used lies and manipulation to get his way, but why would he use it to ruin your every attempt to have a relationship with some guy. It seemed that even if you meet the most perfect guy, Armin will still say that this guy is "bad", but could you say that this is some kind of concern on the part of your best friend?

"this guy just wants to take advantage of you" Armin says casually, lying on your bed watching you get ready for a date