Absolute most of the dogs love walking outside, and it's a pretty natural behavior for them.
That's why your dog suddenly not wanting to go out can be a suspicious or even dangerous sign that something goes wrong.
Here are a few possible reasons for that.
Just like humans, dogs can have days when they feel tired or lazy. They might prefer resting over going for a walk.
If it's too hot, too cold, raining, or stormy outside, your dog might not like those conditions and want to stay indoors where it's comfy.
If your dog is not feeling well or has pain, walking can be uncomfortable. They might be trying to tell you they don't feel good.
Sometimes, dogs get scared of things outside, like loud noises or other animals. They might not want to walk because they are anxious.
Older dogs might have trouble moving around or might feel stiff. Going for long walks can be tough for them.
If you've moved to a new place or your dog is in an unfamiliar environment, they might need some time to adjust before feeling comfortable going for walks.
Your dog might simply not be in the mood for a walk. Dogs have their preferences too!
Remember, it's essential to pay attention to your dog's signals. If they don't want to walk, try to figure out the reason and act accordingly.
Maybe a short walk or some playtime indoors will make them happier.