It was a beautiful summer evening and I decided to go for a swim off Doolin Pier in County Clare, Ireland, where I moved in 2012. There was a woman in the water with Dusty, a dolphin who has a great relationship with a group of people she regularly swims with. Dusty arrived in Doolin in about 2008 and hundreds of people have swum with her since, giving the impression that she’s totally tame. She has even starred in an Irish tourist-board ad campaign in which a girl says she would like to touch a dolphin. That evening, this woman was tickling Dusty’s tummy and it just looked so inviting. There were about 20 tourists and locals on the pier, looking at this lovely spectacle. Just after I got into the water, Dusty left the woman she was with and went ballistic – I found out afterwards that she’s very territorial when she is with somebody. Her tail was flapping wildly and, at first, I thought it was a display but, then, I twigged: maybe she’s angry. I knew I had to get out of the water so I swam towards the pier but, within microseconds, Dusty had ploughed into me with her snout. It was very powerful and painful, and the speed was amazing. I went hurtling forwards. All these people on the pier were staring down at me open-mouthed. Dusty was still in the water beside me, her tail flapping crazily. That was more frightening than anything: I thought, if she hits me