What did Madara mean by "showing our guts"? In the latest episode (filler, obviously...) of Naruto Shippuden, episode 368 the expression 


  "to show your guts"


was flying all over the place. I've tried Googling around, but didn't manage to find what it meant.



I think it means something along the lines of showing your most inner feelings, but I'm not entirely certain. 

PS: English isn't my native language, so don't judge.
From context and the discussions in the show about the reasons that wars persist and continue (bits and pieces from Nagato, Naruto &amp; Jiraiya at different points in time) - they are talking about how people cannot discern emotions and thoughts of others directly, meaning people cannot know the true feelings of others. Which in turn causes misunderstanding, differences in opinion and emotion to the end result of conflict, culminating in war.

Given this overall theme, I think it is reasonable to understand this (possibly mistranslated phrase) to mean - show our internal feelings/emotions/thoughts to the other (internal  &lt;-> guts).