Board Thread:SMG4 Discussion/@comment-44652548-20191213004737/@comment-35577720-20200101062418

Simply because of Mario's stupidity and when they get mad over minor issues that can be easily solved. Mario hates SMG4's bloopers(4 wall stuff) as shown in the War of the Fat Italians they fight alot over minor things and both get angry at each other. Mario is also mean to SMG4 as well they have a "Love, Hate relationship." SMG4 at times will take advantage of Mario's stupidity one of the recents I remember is SMG4: The Minecraft Plague. Though a times they have shown to care about eachother as in War of the Fat Italians 2018 when Mario(Body is controlled by Waluigi) SMG4 doesn't fight back and both cry while Mario says sorry. So in conclusion, They are both mean to eachother over eachothers annoyances and minor things that cause there problem hope that helps.