Answer:
I tell her that excessive use eventually leads to diseases and tumors.
Explanation:
Excessive sun tanning for years can lead to skin cancer and skin tumors. The salon's claim is that if you don't use it too much then it is safe. Since excessive tanning over time destroys the skin cells, she can eventually die an early death of soaking up UV rays.
Tell a trusted adult and block and report them
A job expects more responsibility from its worker, and there's less room to slack off and make mistakes. At home, certain things can be excused or put off, but in a work environment, situations need to be taken more professionally.