Josh and Ruby are in a love hate relationship
when one person loves their partner and the other hates them for no reason
hennesey loves alex but he hates her, they have a "love-hate relationship".
A couple that looks like they hate each other because they are embarrassed of their love
William-"Why does Vincent and Shannon act like they hate each other?
Felix-"Naw bro, it's a love-Hate relationship."
William-"Oh, I see"