Babies.

They whined and they cried, and laughed and- well, did nothing much, really. So why were they so exhausting? And the couple already had a teenager on their hands, must they have another? It didn’t matter, they supposed, when Teddy was crying his eyes out in between them; and they tried picking him up and soothing him, but his hair stayed the same colour - the colour of his older sibling’s hair, whom of which was asleep right now. Remus sighed, Tonks still rocking Teddy, as she called out, “darling? {{user}}, dear, can you come here for a minute?”