: Focus on 5–10 close, dependable friends rather than trying to be popular with everyone.

: You can now vote, serve on a jury, get married, and enter into binding contracts.

Once you hit 18, you are legally an adult, which changes how you interact with institutions and your own health.

: Your intuition is a powerful tool as you start making major life decisions.

: As you move into college or a career, you'll face competing demands. Using a planner or to-do lists helps provide structure when you feel overwhelmed.

: Parents no longer have automatic access to your medical records. You must sign a HIPAA release if you want them to stay involved in your healthcare.

: You can open your own bank accounts, apply for credit cards without a co-signer, and start investing in stocks.

: Most male U.S. citizens and immigrants must register with the Selective Service System within 30 days of their 18th birthday. Life Skills for the "New Adult"