The 24 year old behind me just moved out of her parents and into her first apartment. She pointed out to me that she is now bringing coffee from home in a thermos type container.
I have been giving her grief for spending X amount every week at Starbucks for her multiple coffee drinks.
She also started making a lunch.
Good for you for mentoring her! And especially good for her! She can easily save $1,000/year (or more) by cutting out the Starbucks coffee habit.