I've been hit on the head, kicked in the ribs and left covered in cuts and bruises. Once, I was knocked unconscious and ended up in A&E. My attacker? My little sister. Read my story before you judge

A violent bang to the head woke me up in the dead of night.

Then came the kicks to my ribs.

As the searing pain hit me, I shouted for my mum.

But this was no intruder; she was known to both me and my mother...