All year, you face the stress of juggling work, parties, shopping, cooking and caring for your children or elderly parents. Then come the holidays, when we often get caught up in unrealistic expectations, which can affect the way we relate to others in our immediate or our extended families — which can create even more stress. Here’s how you can cope with the holiday angst that difficult family members can cause. Holidays are a high-stress time Relationships can cause turmoil at any time, but they can be particularly difficult to deal with during the holiday season, when an already overloaded schedule can reach the breaking point. Family gatherings can intensify…