Tonks, in all her usual glory and desire to be the center of attention, is currently sitting in the midst of the fun, trying to regale neighbors with stories from Before the War - amusing anecdotes of trouble she and others brought upon themselves. When that fails to distract her from the fact that her cohort has been invited (and thus her aunts and uncles), she resorts to changing her nose to a pig snout, then a duck's bill: entertaining herself as well as the others around her.

She doesn't want to be home and alone, but neither does she want to have to acknowledge that Aunt Bellatrix or Uncle Lucius might show up at any moment and spoil all her fun.