It's wrong to steal things from another person.
Lindsey is at her aunt's house and sees a necklace that she thinks looks pretty.
Lindsey wants her aunt's necklace.
Lindsey asks her aunt if she can borrow the necklace.
Lindsey takes her aunt's necklace while her aunt is in the bathroom.
Lindsey's aunt gives her the necklace to borrow, and she wears it on a date.
Lindsey's aunt finds out and tells Lindsey's parents, who ground her for months.