I've been watching the Golden Girls a lot lately, and they really embody the single girl spirit. Even though they all were married, they learned to live without men as protectors and bread winners. Three of the "Girls" were widdowed, but Dorothy was divorced.
It's hard to continue your life as normal after a break-up. A major part of your life is suddenly ripped out of your life, and minimal to no contact is preferred. It's hard, and you cry and you either eat way too much or don't eat anything and normal doesn't exist until you rebuild.
Now imagine that you've built your whole life with someone, not just a few months or a few years but your whole life. And you don't just break up with someone, they die. The person you love will never be back. That's what the Golden Girls is about.
They are strong female role models and I think young twenty-somethings can take a page from their book. No matter what happens in life, you must march on, and great friends are a key support.