The Battlin’ Williams are back. Tasha Smith and Michael Jai White reprise their roles created for Tyler Perry’s “Why Did I Get Married” films for TV. “For Better or Worse” heads into a second season starting on Friday, July 13 at 9 p.m. on TBS. You can expect the second season to proceed much as the first, as the Williams’ continue their dysfunctional marriage. You may not want to take your relationship cues from Angela and Marcus, but they always work things out. That got us to thinking about what TV marriages you could learn from. Here are five TV couples that illustrate how to get through some common relationship issues.