I HATE IT when auto correct doesn't work right. But I've never experienced any of these issues.
Laugh if you want
http://mashable.com/2011/12/05/damn-you-auto-correct-funniest-text/#view_as_one_page-gallery_box3339
Laugh if you want
http://mashable.com/2011/12/05/damn-you-auto-correct-funniest-text/#view_as_one_page-gallery_box3339