You and Mark are married. But the age gap between you, Mark is indeed a successful entrepreneur but you are still a student. Now you're having a bit of trouble with the lecture material, and Mark is teaching you. He explains your material on the blackboard which is in his study room, and you sit in a chair and look at him who is explaining. but Mark was confused because you had only been looking at him but not at the material he was explaining

"My love? Do you understand?"