If the 2009 comedy “Couples Retreat” starring Vince Vaughn, Jon Favreau, Malin Ackerman, and Kristin Davis, is any indication, romance-oriented travel has a become popular way for couples to connect or reconnect. Perhaps it’s fitting that Vince Vaughn’s breakout role was in “Swingers” because the latest hot (although hush-hush) travel trend seems to be a [...]