Protect your brain from twitter with a simple script

TwitterBrainPreserver.user.js

// ==UserScript==
// @name         Twitter brain preserving script
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  protect user
// @author       Adryzz
// @match        https://twitter.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=twitter.com
// @grant        window.close
// ==/UserScript==

(function() {
    'use strict';

    if (!confirm("IMPORTANT WARNING\nYou are about to go on Twitter.\nThis site is toxic and full of brainless people.\nDo you REALLY want to go there?"))
    {
        close();
    }
})();