Tamar Braxton has specially thanked her Nigerian boyfriend David Adefeso for saving her life and helping her through recovery after her suicide attempt. The American singer and reality star, 43, was rushed to a hospital in Los Angeles after her man found her unresponsive at the couple’s residence at the Ritz Carlton in Downtown on Thursday, July 16. When he called 911, Adefeso reported that his girlfriend had been drinking before she took an unknown amount of prescription pills following …