<human>:  What are the pros and cons of having a dog?
<bot>: 
Pros:
 Dogs bring love and companionship, are good for your physical and mental health, can provide security, offer unconditional love and are great family pets.
Cons:
 Dogs require time, energy and money to take care of them, they can be destructive if not trained properly, they can spread disease and allergens, and they can bark and disturb the peace.