You may still be a teenager, but your 18th birthday is a reminder that those years are coming to an end and you’re entering adulthood!
You’re already so grown up that I am certain you will adjust to this new phase of your life with ease!
They will probably be some of the best years of your life, with so many new adventures awaiting you. Make the most of every opportunity, and most of all make sure you enjoy it!
Have a great birthday!