Whats with the engagements?

I am so sick of these twenty-something girls that I know getting engaged and married. WHAT ARE YOU THINKING? I will admit, I was one of those girls, and I almost made that mistake. Yes, that mistake. I have since learned that you have no idea who you are when you are twenty years old, nor do you know what you are looking for in a partner. I dated someone for five years and I certainly did not know the adult man, I only knew the little boy. Once he became the adult, I didn't like him anymore. We didn't have anything in common and his values and morals were completely different. So what is it with all this engagement bullshit? I say live your life. Have fun, be independent, buy those ridiculously expensive shoes that you want, make out with lots of people, make mistakes and have regrets. Stop thinking so much about the future and live in the here and now. You can get married when you are older but you can not live your twenties again.