Kaley Cuoco recently shared an emotional post about a horse named Thor who is already up for retirement.

On her Instagram account, the actress posted a photo of herself with Thor. She also expressed how sad she was over his retirement, but happy that Thor can enjoy more time with his friend Uvar. “I am so excited for his future, running around grass fields with his pal, Uvar, and never having to jump again. After all he has given, he deserves it!” she wrote.

Cuoco went on to thank her friend, Jaime Marquez, for taking good care of Thor throughout the past couple of years.

“The Big Bang Theory” actress is a professional horseback rider. She regularly competes and even shares clips on her social media accounts. A few months ago, she shared a photo of her first horse, Santos, which she bought eight years ago. “I bought you 8 years ago as my modified jumper and you turned into my first 1.30 jumper – you are the reason I am so in love with this sport – thank you,” she wrote.

In other news, the equestrian shares her passion and love of horses with boyfriend Karl Cook. But the latter, who also happens to be an equestrian, almost quit the sport in 2012 and, at the time, felt as though he was back-sliding. According to The Chronicle of the Horse, Cook was showing bad performances during that year, remarking, “His horses weren’t at their best, and he just couldn’t seem to find clear rounds, no matter how high the jumps stood.” Luckily, he decided to stick with the sport, and a few years later, he met Cuoco.

Earlier this year, Cuoco posted a sweet photo with Cook on Instagram confirming that they started dating.

Kaley Cuoco Kaley Cuoco just sent one of her horses to retirement. Pictured: Kaley Cuoco at The Paley Center for Media's 33rd Annual PALEYFEST in Hollywood, Calif., on March 16. Photo: Getty Images/Matt Winkelmeyer