Have you briefly discussed your genealogy problem with someone who is not researching the family or a family member who is not really interested in genealogy? Someone unfamiliar with the problem, but familiar with research, may be able to give you some research insight. And someone unfamiliar with research, but familiar with human behavior, may be able to give you some insight into people's actions and motivations. All of which could help you in your research.
Just don't bore people with too many details of your problem. If you do, you may not have too many friends.