"You're in luck," James grinned. "I am an excellent tutor."
Lily wouldn't know that from experience. She was more than bright enough on her own and hadn't ever needed help from the likes of him. But, probably unsurprisingly for anyone who knew his skills, James was a highly skilled wizard with a particular interest in transfiguration.
"Let me show you my ways." Hand in hand, he just pulled her off to have a good time.