If you do what you want, be prepared to pay for it. There will be consequences. At the same time, NO REGRETS. If you sinned, know that God can and will forgive you. Don't make excuses. But don't spend the rest of your life in regrets. At the time you did exactly what you wanted. Someway, somehow, it will turn out for the best.
[and no, I don't know all this from experience.]
This goes for things you can't control too. Accept what happened and move on.