Once in a while I try to switch to Duckduckgo. I first use it, then I start to rely more and more on !g, as I know the results will be irrelevant, until I just have the automatism of adding !g for every search. At that point, when I become aware of it, I just switch back to Google, unfortunately.
In the end, Bing is really, really bad and Duckduckgo is just repackaged Bing.