Steely lived all his life sheltered on his family farm, knowing only the good ponies of Ponyville, and never setting a hoof outside, so he has always wondered what It's like out there in the greater world, and if he could handle it.

You are pretty strong, and tall, and that should help a bit, right? Your mama always said big people do big things, and you are pretty big, so you must be destined to do something great!