what does being an adult mean

Being an adult has many meanings one of the meanings are u have to mature. This means you have to get a job and pay bills.When you become an adult u usually have kids and have to support them and ur wife. Their are many responsibilties that come with growing up. im 18 and i have many thing that i have to pay for like my phone bill, car insurence, and gas. I make like $400 a week and it all goes twords my car insurence gas and phone bill. Next im gonna be paying for a house witch is alot of money so growing uphave alot of stuff u have to worry about.