A few nights ago, I had a dream my husband left me for another women. When I looked it up online it said Dreambible.com
The dream most likely reflects your feeling of abandonment. It possibly also reflects your fear that in the afterlife he is doing something else. The cheating in the dream most likely symbolizes your projection of him enjoying his new life without you.
It’s also possible that your husband cheating on you reflects your feelings of abandonment when you do things that he used to be involved with. The constant reminders that he is no longer with you.