I tried to calm her down, stroked her neck, whispered gentle words, but then she abruptly lowered her head and bit him hard on the shoulder. My fiancé cried out, stumbled back, and yelled in pain:

— Your horse has gone crazy! Call a doctor!

I was in shock. I couldn’t understand what had come over her. The horse I’d known since childhood had never hurt anyone. But just a few minutes later, I realized she wasn’t crazy at all.