In the concluding paragraph, you should be restating the introduction paragraph, just without the thesis statement.
Ex- In conclusion, you should raise kittens and puppies together at a young age so that they do not grow up to hate each other. Both kittens and puppies are soft, cuddly, and playful. It would be great to raise them up together, because separately, they would grow up to hate each other. That's why kittens and puppies should come together in harmony, to turn into loving, grown-up pets, that not only respect each other, but adore each other.
