The distinction between the two statements in your message lies in their focus and context regarding dogs. The first part highlights the responsibilities involved in raising a puppy, emphasizing the need for training and attention. It points out that puppies require time, effort, and guidance to grow into well-behaved adult dogs.
On the other hand, the second part celebrates the positive aspects of having dogs as companions. It underscores the emotional bond and joy that dogs bring to our lives, suggesting that despite the challenges of training and care, the benefits of having a dog far outweigh those challenges.
In summary, the first statement addresses the effort required in dog ownership, while the second emphasizes the happiness and companionship that dogs provide.