The fact that the 16 year has already made her decision, and how the mother chooses to handle it going forward will affect her relationship for many years to come. What she want her next 20 years as a parent to look like?
I would not find self in that situation !
My 2 as 16 year olds were in junior achievement training !
And represented school in sports and track and debating social issues
Well supervised under good parenting
that mother want 2 lash for being unaware of her daughter lifestyle