Legitimate is a synonym of Just. Just is a synonym of Good. Good is related to Style. Style is related to Look. 
Boyfriend is a type of Man. Man is related to King. King is a type of Station. 
Legitimate <--Synonym--> Just <--Synonym--> Good <--RelatedTo--> Style <--RelatedTo--> Look 
Boyfriend --IsA--> Man <--RelatedTo--> King --IsA--> Station 