You no doubt already know that stress has a big effect on your health, both physically and emotionally, but did you realize that stress spreads like a cold or flu?  Especially in a partnership, where you’re in close contact with another, it’s very likely that you’re having a big effect on each other’s mental state, spreading it to your loved ones, whether you mean to or not. During holidays the pressures and stressors are compounded.

But there are several steps you can take to limit the damage and turn your negative frame of mind into positive, loving care for each other.
https://theconversation.com/stress-is-contagious-in-relationships-heres-what-you-can-do-to-support-your-partner-and-boost-your-own-health-during-the-holidays-and-beyond-173071