How To Handle Houseguest's Untrained Puppy (That She Claims is Trained)? -- Good Questions

Pin it Q: I recently moved into a new home which happens to be closer to my best friend. At the same time, she got a puppy and has visited me about a weekend a month (but it seems like it will be more frequent). My household is very dog-friendly, as we have two active dogs, and all my friends bring their dogs when they visit. However, my friend has claimed that her puppy is housebroken but this is simply not true. Over this past weekend, her puppy has had about half a dozen accidents in the hous...