It's bad to hide your age from a romantic partner.
Becca is a 15-year old girl who just started dating Matt, an 18 year old boy who is unaware of her age.
Becca wants to tell Matt how old she is.
Becca tells Matt that she's 15 years old, and they break up.
Becca tells Matt she's 18, and they continue to date.
Matt appreciates her honestly and is relieved that things didn't get physical between the two of them.
Matt is eventually arrested for statutory and becomes a registered sex offender.