My sister has always said I'm "18 going on 80"

I remember talking to my sister a few years ago, and her saying to me "I'm so glad I'm turning 30! I hated my 20's!"

I thought to myself, "Wait, aren't the 20s supposed to be the best years of your life, at least according to pop culture? One 10 year-long party till you turn 30?"

She and I had the same conversation earlier this summer. She explained, " You think you know everything about life in your 20s, but you really don't. And you won't realize it till you're 30, when it's already too late."

I'm turning 20 in 2 months. I have a feeling I'll share the same sentiment, but I feel like I've gotten off to a good start, at least.

At least I've gotten prior warning :)