Maybe you're putting everyone else first in your life but you. Snap out of it! Know that once you put yourself first, everything else can fall into place. Putting your needs first will make you a happy camper, which will result in better relationships — a win-win.
When you take care of yourself, you'll have fewer regrets in your 30s. The partner your life revolved around? You probably won't regret that as much if you had focused on your needs and chased your dreams as well.