Hola is probably the only living creature in the Alicorn, which is able to be in the company Ruko quite a long time.

Hola - Sled wolf, she is almost 7 years old. She rarely have to carry someone on horseback, and most of her time she spends in the stable of his master, on a chain. Ruko comes to her at night, when the whole village was asleep to talk to her. So, their union has lasted for 5 years, and Hola only one who can tolerate his bad character so long.
She is kind, sympathetic, very appeasable.All the hot words Ruko, She is not taken seriously. she believes it arrogance - it is bad education, which is still not correct. At heart, Hola knows that Ruko as attached to her as she was attached to him, but he's not one of those animals, who talk about it out loud.

Oh and by the way, is very beneficial to have a friend is 20 times bigger than you :)