How long will my fox live?

We rescued a deaf red fox kit two years ago. His name i Shawn and we love and, and because of his deafness, we can't release him into the wild :( He is a very happy fox. He lives with our 4 other dogs, get PLENTY of exercise, because we live on a farm, we feed him only homemade food, and is generally very... show more We rescued a deaf red fox kit two years ago. His name i Shawn and we love and, and because of his deafness, we can't release him into the wild :( He is a very happy fox. He lives with our 4 other dogs, get PLENTY of exercise, because we live on a farm, we feed him only homemade food, and is generally very healthy. Our vet is very good with him. How long will he live? Will his deafness affect his life span? We do not know why he is deaf, but his mother obviously abandoned him... :(
3 answers 3