The 'Batman Effect': How having an alter ego empowers you (2020)
The definitive book on this is ‘The Alter Ego Effect’ by Todd Herman (there’s also a bunch of extra resources on his website <a href="https://alteregoeffect.com" rel="nofollow">https://alteregoeffect.com</a> )<p>He goes into great detail about the method and the science of what’s happening in your brain when you use it.<p>It’s helped me go from  introverted engineer to successful start-up founder that just exited.