There is really nothing I can imagine that seems to come close to the love these two little people obviously feel for each other. From the first glimmer of life squeezed into the womb, they have been together – close together.

When I ask Ella who is her best friend at school, she says Ben.

This week, Ben had to go to the dentist and I asked Ella if she wanted to go to school alone. “Who will be my partner?” she asked.