American road trip

I’m 21 years old and I have felt lost most of my life. I’ve never been away from my family for more than 2 weeks so I don’t know how to be alone. I recently visited a new state and I felt like I was finding something hidden within myself. I need to travel and experience life not only alone but free, free from responsibilities and expectations. Once I have experienced that I can settle down and start my life. I’m the oldest of 4 so I always have responsibilities and expectations that weigh heavy on my shoulders. I need to know what it’s like to feel free and alive.