Most Helpful Guy
Means that you did something that he finds (emotionally) cute per say. Not necessarily "hot", but its something that makes him feel emotional.
Most Helpful Girl
He finds you cute
That you have done or said something that he feels is cute. Such as "look at the little bunnies, awww"
It means that he found something that you did cute
Means he thinks your cute
Usually the same thing as when a woman does it
It means he's feigning sentimentality.
Maybe he is trying to tell you are cute
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