This is Taka, a dog that now serves as a therapy dog for burn victims. Animal Channel reported that he received burns in a house fire but now helps comfort others who have similar experiences.
Taka has turned something that could clearly be a disadvantage into a strength. Think of how you could do so as well. What challenge have you faced that could help give others hope? What trait do you have that could be desirable in certain situations? (e.g. Those who have no sense of smell often work in industries where this is a strength — think sewers, garbage, leather or sugar manufacturing, etc.).
Any variation creates unique advantages. Embrace yours and help others with similar diversity feel less alone.