Liking puppies is different than owning a full-grown dog.
Puppies are cute, and everyone loves them. They touch your heart with their cuddles and tiny bodies.
Dogs take work. They require food, water, vets, grooming, and walks continually.
Whenever you take on a new project for you or your children, be careful about getting into something with a limited window of instant joy and a lifetime of work. Knowing the commitment required down the road is an important factor to consider.
Responsibility and a willingness to work are essential when the cuteness is gone and things mature.
That is true in all relationships.