#When Spike lifts Mario off the ground by his lapels and purposefully invades his personal space while spitting insults

[pianokantzart]

Mario punching ppl who dare question how much he loves his brother (before they even finish the sentence)

Actually, judging by the dinner conversation he had with his dad, I think comments questioning how much he loves his brother would be more likely to cause him to shut down than incite him to fight.

Mario takes personal attacks with a fair amount of dignity. He gets mad whenever he's challenged or insulted, but he's not going to throw the first punch.

Now, if someone starts questioning Luigi?... That might be a different story.