If the 21-year-old takes you to court, the court will determine if the contract is enforceable. If it is, you should prevail; if it is not, you will probably be ordered to repay the $400 plus court costs.
If the 21-year-old takes you to court, the court will determine if the contract is enforceable. If it is, you should prevail; if it is not, you will probably be ordered to repay the $400 plus court costs.