Nonsense

He borrowed a dollar amount in terms of some folks view. The original contract posted leaves room for loopholes
Second he is not liable until he is 18

But why would you loan a 13/14 year old so much?
Third he sold Ripple for somebody else trying to make you some $ to repay you. However that is not all his.
DPony13 has not payed back still waiting for the full BTC Amount. He had or has BTC to pay the full amount. He needs to repay the loan back. .9BTC