I have spoken to many people who are emotionally blind. In fact most of us are emotionally impaired in one way or another. For instance a wife has grown so used to belittling her husband that she doesn't see what her words do to him. Or a parent who is trying so hard to be the perfect parent that he puts enormous pressure on his child. Or single people who have been so starved for affection that they don't know how to receive it.
People can be emotionally blind, crippled, handicapped because their heart has grown cold.
And this is not okay. It is not how we are meant to live. When Jesus met people his heart was warm, he responded with compassion. Compassion means to feel or suffer with. Jesus understood in his heart what others were thinking and feeling.