Marek shook his head, "I knew one changeling before I came aboard your ship captain, and he was no where near as skilled at shape change as you are.  I promise you, the change I request would fall well within your range of abilities.  As to a clue, I will say only that if it is my gift, and you wish to know what it is, you'll find the time to make it happen."  He grinned, his slightly pointed teeth gleaming in the dying sunlight streaming through the windows.  He then waited patiently for Doxi to finish her stew.   Silently, as was his nature, and was the nature of a submissive in the presence of his dom.