Danielle Turchiano Senior Features Editor, TV“VH1 Couples Retreat,” a new six-episode series celebrating Black love, will premiere March 29 at 8 p.m., Variety has learned exclusively.The show will feature three couples best-known to audiences from the network’s “Love & Hip Hop” franchise (Yandy Smith-Harris and Mendeecees Harris; Rasheeda and Kirk Frost; Ray J and Princess Love), as well as activist Raymond Santana and model Deelishis, and actor Michael Blackson with his significant other