Did you read the whole blog post? Right after that paragraph he talks about the dichotomy between his inner emotional struggle and his explicit thoughts.
> More importantly, it helped me identify the boundary between my intellect and my emotions. Like most white people who are questioned, I am quick to say, “I don’t have problems with homosexuals, one of my best friends is a lesbian.” For me that is sincerely true. I have managed, however, to reconcile the differences of my mind and my heart to maintain what I think is and hope will continue to be a close personal friendship. Indeed, it is through the lasting nature of that friendship that my emotional core is changing. I changed my mind a long time ago.
> More importantly, it helped me identify the boundary between my intellect and my emotions. Like most white people who are questioned, I am quick to say, “I don’t have problems with homosexuals, one of my best friends is a lesbian.” For me that is sincerely true. I have managed, however, to reconcile the differences of my mind and my heart to maintain what I think is and hope will continue to be a close personal friendship. Indeed, it is through the lasting nature of that friendship that my emotional core is changing. I changed my mind a long time ago.