Does a transgender male really love his wife?

A transgender male is an individual who was born with the body features of a female. A transgender female is a person who was born with the body features of a male. As for whether or not a transgender male really loves his wife, that depends entirely on the transgender person. Orientation is not automatically heterosexual for gender variant people, so whether or not you are talking about a male to female or female to male trans person, they very well may love their wives. They may not. Another version of your question might be, "Does any man really love his wife?" It all depends.