He decided NOT to pursue the topic of Potter's father, shrugging the issue off.
"Apparently not too upset to run off your other dance partners." Draco had seen Corner's attempt to get close to Mandy...not that Draco was watching Mandy exclusively during the dance. "I myself was inclined to show you what real dancing looks like, had I not run the risk of suffering through Potter's obnoxious jealousy." Draco's eyes were a little spiteful.