DEAR ANNIE: I have a longtime friend who has serious trouble with gifts. It is very difficult to give her anything because she insists on “evening the score” by responding with a gift back to the giver. For instance, we comfortably exchanged token holiday gifts at my place, but my husband learned she liked a certain special candy we had on hand, so he gave her a box. She tried to turn down this gift and even checked on her phone to see what it had cost. Two days later, she showed up at our condo with a beautiful but unexpected handmade item she had just created for us (she is a very talented c…