What I think is important for pitching a tough ball is how much we could be abnormal.
As for the 4th line, that's what we call 圏点 to put emphasis on some words.
キモ(肝) means an important part.
肝 is a liver, and it's obviously an important part of our body, right? so we use 肝 to describe an important thing.
Why author used katakana is, not to confuse important part with live.
hope it helps.
August 7, 2014
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