DEAR ABBY: Six months ago, my mother bought me a dress as a gift. My niece, who I am helping and who is living with me, stole it from me. I let it go and didn’t argue with her because I didn’t want to ruin our relationship. My daughter recently gave me a gift card. The gift card is missing, too, and I’m assuming that my niece took it. What should I do? Should I talk to my brother about it? -- STOLEN FROM IN MASSACHUSETTS ...read more read less