A Logan personal trainer at popular gym chain F45 Training livestreamed a shocking assault on his ex-wife and her new squeeze after he let himself into the former marital home and rained blows on the hapless man, breaking his nose. Beenleigh man Tamafaiga Nick Kepu, 27, a personal trainer at F45 Browns Plains, amateur MMA fighter and former first-grade centre for Souths Sunnybank Rugby League Football Club, pleaded guilty in Beenleigh District Court on Tuesday to six offences. Beenleigh man Tamafaiga Nick Kepu, 27, a personal trainer at F45 Training Browns Plains. Picture: Facebook They included burglary with actual violence, assault occasioning bodily harm, common assault and three counts of wilful damage.