Question: Jenny owns a small cattle farm with a fenced in pasture. Her neighbor, David, notices that there is a break in Jenny's fence large enough for her cattle to push through. Without consulting with or telling Jenny, David repairs the break. Upon learning of the repair, Jenny is grateful, and expresses her thanks to David. However, David is expecting to be paid for the repair.

1. What is Jenny's best argument that she isnot liable to David for the repair?

2. What is David's best argument that Jenny is liable to David?