Your intent -- whether to control and avoid, or to love yourself and share your love with others -- is the main choice that can determine whether your holidays are stressful and lonely, or peaceful and fulfilling.
If you are looking for a committed relationship, you have a much better chance of creating a loving relationship if you are very clear on what you want and what is not tolerable to you
The point C.S. Lewis makes in The Four Loves is that closing our heart to the risk of heartbreak creates a living hell. The truth is that while heartbreak is extremely painful, it is not nearly as painful as the hell we create for ourselves when we hold back loving out of our fear of getting hurt.