Posted on February 27, 2020April 9, 2020 by Idioms Poster Whatever kills you only makes you stronger A Mixed Idiom made up from What doesn’t kill you only makes you stronger, andSomething that does kill you. Source of this Mixed Idiom Sent in by Lucy, in London UK. Post navigationPrevious post: Let’s put the elephant on the tableNext post: Can’t see the wool for the trees