When Ellie sees Beer reemerge with his saddle and bridle on, she leads Robin towards the stables and the gate of the paddock. At least since Bucky is also quite large himself, and she'll be riding alongside Robin, she'll be right there if anything happens.

"I think Beer is the largest horse I've ever ridden. He's great though, even though I need to a foot stool to mount him!" Robin will too actually. Pretty much anyone shorter than six and a half feet tall will.