My wife and I do this regardless of mood: Each night during our moments of quiet time together, we talk about a few things that happened during the previous 12 hours that we're grateful for. This has become one of the best parts of the day for us.
Reviewing the day with gratitude is a core tenet of Ignatian mindfulness. I do an expanded version of the talk with my wife, with God, using a version of the instructions shown at https://www.ignatianspirituality.com/ignatian-prayer/the-exa...