ESTP and ENTP are Myers-Briggs personality types.<p>M-B has a lot of flaws: <a href="https://www.livescience.com/65513-does-myers-briggs-personality-test-work.html" rel="nofollow">https://www.livescience.com/65513-does-myers-briggs-personal...</a><p>This article puts a lot of credence into something that isn't all that reliable.