People are animals. Just like other animals, we breathe, eat, move, and have feelings. And, like other animals, we have families. Human families come in all sorts of shapes and sizes. There are big families and small families. There are families with moms, dads, brothers, sisters, step-parents, aunts, uncles, and grandparents. No family is exactly like another.
No matter what kind of family you have, there is an animal family that is similar to yours. Whether you have two dads, like a black swan, or one mom, like a baby polar bear, your family is normal and natural.
No two human families are ever exactly the same. Because all parents and children are different, you will never find a kid whose family is just like yours. Still, all animal families and human families share one thing in common-- all parents love their babies, and all children love their moms and dads.
No matter what kind of family you have, there's a family like yours somewhere in nature.