50 Cent Won't Take Criticism From Anyone But Eminem

50 Cent recently revealed that he has CD's worth of collaborations with fellow rapper Eminem, and the he is comfortable letting Em take the reigns. In an interview with MTV news, 50 said, "I can't accept constructive criticism from someone if I'm not sure what their intentions are." The two will have at last two collaborations in his upcoming, album 'Street King Immortal'- which is set to release on February 26, 201