[@Shoryu Magami] [@Keyguyperson]  I thought about mentioning nihilism but I wasn't sufficiently sure of the meaning.  ^.^;  I went more into different reactions because Shoryu solidly covered most of my guilt responses.  And yep, perhaps the most famous instance of cease-fires is the Christmas truce of...1943?  Some time in WW2.  It's mentioned in a wide variety of places, including a song by a favorite folk artist of mine.  However, based on books and stuff I read, even trained soldiers can experience guilt and so on, though with a gun in war it often is delayed a bit (like until the first time they have a chance to think about it).  It's a shame that guns make killing so much easier, in more than one sense of the word.  It takes a whole lot more effort to kill a guy with a sword not just because you might not get him as well, but also as Shoryu said, because you have to look him in the face while you do it.