Merlin thought about it and even the shrug he gave was subdued. "About seven or eight." he estimated - it hadn't been that long before his parents had died, he knew that much. He hadn't been on a horse since.
"I don't know." he said, also thinking of what would happen if he shared a horse with Zach but not sure if he could hack one of his own. "I probably couldn't handle it on my own." he finally decided.