The Phantom is helping out Christine after she injured herself cooking breakfast on a hot pan that morning. Raoul made the mistake of asking how she was...

"You just sit right there, angel, and let me bandage your burn." Christine held out her hand, with a bad-looking burn stretching across her right hand. "Oh Erik, that's sweet, but I should be okay, you don't have to do this for me." 

Erik scoffed. "Nonsense, this must be properly treated. Stay right here, I'll get the first-aid kit." He hurriedly left to go get the kit. 

He came back soon, kneeling beside Christine and applying ointment to her hand. Raoul walked in the room and gasped. "Christine! What happened?"

"Oh, Raoul, it's nothing, just a cooking mishap." She giggled through the pain. Raoul groaned. "Poor thing. Erik, how is she looking?"

Erik turned around to face Raoul, a permanent scowl placed on his face. "A little better than you, actually." 

Raoul frowned and walked away. "Jealous..."