I did worse?

Mrs. Revers' face grimaces as she reads through my paper, leaning over the paper,r her red pen moves swiftly as she circles incorrect formulas and the general messiness of the paper.
"I didn't think it necessary to say boys." She looks up over the rim of her glasses. "But your work needs to be legible in order to be graded."
She looks back down as her lips purse in confusion as she continues down the page.
She eventually turns the paper back to me with a somewhat confused and concerned look on her face.
"Mr. Doe, Are you well?"
I feel the heat rise to my cheeks, I dare not look to my side, lest it be that Marcus is enjoying my failure.
"Sorry, Mrs. Revers, I think I was just a bit distracted."
She arches an eyebrow and scolds me, not harshly but quite bluntly. "Mr. Doe, like I told you. This is for your benefit, not mine. Please do try and keep focus during these sessions."
I can't bear to look her in the eyes, my eyes burning holes into the paper in front of me, I was far more distracted than anticipated. I got one final answer correct, but my working is illegible and all over the place. My other answers, the formulas are correct, but the answer makes absolutely zero mathematical sense.
"Please ensure that you are well prepared and completely focused on the exam. I will not be pleased if you are unable to even get a pass."
I nod meekly.
She writes on a small Post-it note and passes it to me.
"Please read through these chapters and practice the questions on pages 252, 344, and 665."
Her attention switches to Marcus as I start to put my books away.
"Now, would you like to have your session now or at another point? I understand that you have training in the evenings."
"Right now is perfect, Mrs. Revers. Coach said no training this week, so everyone can focus on exams." He can't help but sigh at the inconvenience of having to study.
Mrs. Revers lets out an amused scoff.
"Very well then. Thank you, Mr. Doe, you may leave."

I close the door behind me. Frustrated at the embarrassment and at myself. I take a moment to lean next to the door, not only to collect my thoughts but also to consider the fact that I need to find a way to release this sexual tension.
As I stand, I hear the muffled sounds coming from Mrs. Revers.

A muffled thump. A drawn-out hum. A giggle and a distinct 'Oh yeah...' A feminine gasp. Is that? Is it my imagination? A rhythmic, wet thumping sound can barely be heard through the door. I hear a masculine chuckle.

I really need to release some of this pent-up sexual tension. I'm being incredibly silly. She's married.