SHINee's Taemin revealed Jonghyun's rather predictable personality on Mnet's '4 Things Show.'

On the January 13 episode of '4 Things Show,' Taemin revealed to the producers, "He (Jonghyun) treats me nicely and then pretends to be indifferent, but it's so obvious." 

During the airing, coincidentally, Jonghyun pointed out that his charm was that he was caring at times but still maintained his cool with an indifferent demeanor. 

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Taemin confirmed Jonghyun's ambiguous charm, but also added that Jonghyun pretends to be indifferent even at times when he isn't. Taemin revealed, "I think you can think of it like that, but it's obvious that he is pretending to be indifferent. He is calculative with his actions. Jonghyun might think that he is being meticulous [with his actions] but it's obvious." 

Recent collaborator Zion.T likewise stated that Jonghyun wasn't indifferent at all, contradicting Jonghyun's statement and opinion of himself.