Simplify the following text for a Grade 8 native English-speaking person.
Original: In the 2004 documentary Marilyn 's Man , Dougherty made three new claims : that he invented the `` Marilyn Monroe '' persona ; studio executives forced her to divorce him ; and that he was her true love and her `` dedicated friend for life '' .
Simplified: In the 2004 documentary Marilyn 's Man , Dougherty made three new claims . He said that he invented the `` Marilyn Monroe '' persona .