Great for them! Risk for healthy youth is very low. Enjoy the freedom.
If she gets Carona she will probably recover. However, she may infect others who will die or be permanently disabled. This is not a mature person. My niece called me to ask if she should drive from D.C. to Ohio to visit her family after working in an office with a Covid-19 person. I told her no, but she’s twenty four and can do what she wants. It comes down to concern for others. Could she be trying to increase her chances of collecting social security? She doesn’t seem that smart. This plague is more serious than your worst fears, so party on.