She did some rigorous, careful Christmas shopping online. He didn't realize she had, so when he pulled up the shopping website on his computer and found many items in the shopping cart, he felt he could recognize misbehavior when he saw it. He had carefully deleted 75% of the cart contents when she called him to lunch. "I'll be there in a minute or two. I am almost finished emptying the shopping cart."
Disgust! Outrage! Tears! "What!! I just spent my morning loading and checking that I loaded up the right items and you are undoing all that work!" They may decide not to divorce but that isn't confirmed yet.