Could you forgive your childhood bully? Katy Wix confronts a painful memory

‘I would eat lunch alone in a toilet cubicle and pretend I was an adult looking back on my life’: Katy Wix. Photograph: Kate Peters/The Observer

In the same way that when you are full you can’t imagine being hungry, when you have a best friend you can’t imagine being their enemy.

I was in bed. I had bought a 2m-long phone charger so I could comfortably play Cake Shop 2 while lying down when, bored of my own peace, I went on Instagram. Among the usual DMs – one from a non-profit sunglasses company saying, “We love your account’s vibe”, a man saying, “My dog has drawn you”, and an invite to be on a podcast about DJing – was the message from her.