He pushes her away, but she keeps coming back. She's throwing herself at him even though he's made it crystal CLEAR, he doesn't want her. The absolute proof can be seen in the videos here. A blind man can see he has no interest in her. http://www.bb9spoilers.com/index.php/2008/02/25/big-brother-9-drunken-make-out-fest-alex-and-sharon-go-at-it-while-matt-pushes-natalie-away/