He is a British citizen and has wanted to become a U.S. citizen. However, he was barred for many years from applying for citizenship because he is HIV-positive.
Sullivan, who is openly gay, is a practicing Catholic. He defends his sexual orientation by saying that the Bible forbids same-sex sexual activity only when it is linked to prostitution or pagan ritual.
In one of his blog postings (see link below) he says he is giving up blogging. He says he wants to be able, among other things, to spend more time with his husband.