Simplify the following text for a Grade 6 native English-speaking person.
Original: Jim Dougherty was oblivious of his wife 's new job and only became aware of it when he discovered a shipmate of his admiring a photo of a sexy model in a magazine who turned out to be Norma Jeane .
Simplified: Jim Dougherty was not aware of his wife 's new job . He only became aware of it when he discovered a shipmate of his admiring a photo of a sexy model in a magazine .