You are still in your twenties and you still have enough time to explore and think as well as ponder. Your entering Islam is not a hopeless matter. As you may or may not know, some of the biggest enemies of Islam, even priests, such as Uday bin Hatem and al-Najashi as well as others were non-Muslims and rejecters of faith and then Allaah guided them to Islam.
In any case, welcome to our page as a user. If you have any real questions, you are welcome to ask at any time.