This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!Buzz·Posted on Jun 18, 201521 Important Lessons "13 Going On 30" Taught You About LifeWe all aspire to be thirty, flirty, and thriving.by Leah MacCarthyCommunity ContributorLinkFacebookPinterestTwitterMail 1. Adult sleepovers are slightly different from kid sleepovers. Tap to play GIF Tap to play GIF 2. You can never go wrong with a handmade gift. Tap to play GIF Tap to play GIF 3. No matter how old you get, you'll always need your parents. Tap to play GIF Tap to play GIF 4. Although it's important to set goals for yourself, you shouldn't be afraid to go with the flow. 5. If you've got it, flaunt it. 6. Always take advantage of an open bar. Tap to play GIF Tap to play GIF 7. Never compromise your personality in an effort to fit in. 8. If you're really lucky, some friendships allow you to pick up right where you left off. Tap to play GIF Tap to play GIF 9. Don't be afraid to speak your mind. 10. There's no point in comparing yourself to the unrealistic pictures in magazines. 11. When you find the right person, you'll know it. View this post on 12. You have to fight for what you want. 13. Old habits die hard. View this post on 14. Sometimes, you have to lose your way to get back on the right path. 15. You should never be afraid to make the first move. 16. Some of the best relationships start as friendships. View this post on 17. The best part of a date is getting to analyze it with your friends the next day. 18. An iconic dance can improve even the dullest of parties. View this post on 19. Some of the best ideas happen when you think outside of the box. Tap to play GIF Tap to play GIF 20. Love always finds a way. 21. And finally, once you’ve found the perfect person to take selfies with, never let them go View this post on