How to Talk to Your Coworkers About a New Relationship

I've always kind of wondered about this because it's like, what if there's this one coworker that you know who's like single for all that you've known? And then suddenly, just like three years later out of the blue, they're like, Oh my God, I got engaged. As we all know, my current coworkers, I don't know anything about them. My past coworkers who I was really tight with, I was nice because we were all girls. So we were all just really open with the new people coming in and then the other like the another person being phased out. We were bold with transparent. That is pretty juicy. Yeah. First name based names