Jessica Simpson and Eric Johnson are still going strong as they approach their 10-year wedding anniversary in July. According to an insider, the spouses hit a major roadblock in the past, but turning to professional help fixed their issues for good. “Jessica and Eric say couples counseling has really saved their marriage and taught them invaluable life lessons,” the source told a magazine. “Even when times are tough, they know to still make each other a priority — which is why Eric insisted on [a] Valentine’s Day dinner,” the source added. As OK! reported, the blonde beauty’s decision to get s…