My wife vomiting

Image: mysteries24.com
In my dream my wife and I are in bed kissing and she is getting turned on, when all of a sudden she feels like vomiting. I am next to her thinking as a joke that she is pregnant she tries to hold it back, a bit of vomit sprays out. I see a saucepan in our room as I go to pick it up, it has a long simple but pretty white dress in it, my wife is still holding the vomit in when I bring the saucepan to her, she shakes her head, I pick up the dress and she vomits into the pan while I hold the pan in my left hand and the white dress in my right and I accidentally dip the dress in her puke. What does this dream mean