obsessed

Instead, he just looks like one of my great-uncles who are obsessed with poker.

Edward Ashton was a man obsessed—a man who had resolved to commit murder.

SABIO, SHALE: You know how obsessed he is with the 1990s.

McKee was not only fascinated by the underwater world; he was obsessed with the sinkings that had taken place in the Solent.

Both the president and many of his key advisers and followers remain fascinated, if not obsessed, with the continent from which nearly all white Americans derive their ancestry.