I'm Really Feeling It!

// ==UserScript==
// @name         I'm Really Feeling It!
// @namespace    https://www.facebook.com/
// @version      0.1
// @description  I can see it!
// @author       Shulk
// @match        https://www.facebook.com/*
// @grant        none
// ==/UserScript==

var likes = document.getElementsByClassName('UFILikeLink');

window.setInterval(function() {
    for (var i = 0; i < likes.length; i++) {
        likes[i].innerText = (likes[i].innerText == "Like" || likes[i].innerText == "I'm Really Feeling It!") ? "I'm Really Feeling It!" : "Un-Really Feel It!";
    }
}, 50);