Why did the dog suddenly pee on the sofa?

A few days ago, a customer asked: The dog usually goes out to relieve himself, but in the past two days he suddenly peeed on the sofa. What caused it? Is there any way to solve it?
Reason:
1. Peeing on the sofa may be because it considers that place to be its territory.
2. If the owner scolds or neglects the dog, the dog will retaliate and urinate on the sofa.
Follow the following steps to try to solve the problem you are encountering:
1. Prevent dogs from getting on the sofa!
2. Any place where dog urine has been soaked must be thoroughly cleaned. Do not try to cover up the smell of dog urine with perfume or the like, otherwise the dog will just urinate in the original place again to cover up the smell of perfume.
3. The age when a dog goes into heat for the second time is usually around 15 months. If your dog has not had a birth control surgery, you should consider whether it is in heat.
4. If you don’t find your dog excreting randomly at that time, don’t scold it or hit it after a long time, because it won’t know why it was beaten at all.
5. If you find your dog excreting randomly at that time, you should shout loudly or make an angry sound, and at the same time pat him on the head (the intensity must be controlled, not too hard, otherwise he will hate you; also Don't be too gentle, otherwise he will think you are playing with him. If you encounter him biting next time, use this method. Generally, you will get good results within a month.
6. It is recommended that you buy a water gun and spray your dog with water when it makes a mistake and reprimand it loudly. The effect is very good.
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