Sam Hunt has gone out of his way to keep a blanket over his personal life over the years — he keeps most things non-musical close to the chest. But during a recent visit to Taste of Country Nights, On Demand, Hunt was eager to reveal a controversial rule he has at his house. When asked if he’s had to spend some nights on the couch in the past few years, the “Outskirts” singer had quite the reply. “One thing about my wife is that she forgives quickly,” Hunt says, referencing his missteps which include infidelity and a DUI arrest. “And I also have a rule — that I’m not sleeping on the couch, if …