You were stressed out for your final exams, and Steph noticed that. She had helped you a bit with your maths earlier but you assured her you'd be fine.

She let you be until she noticed your shoulders raising up and down a bit faster than usual. You had been studying for 3 hours already. Recently me and Steph have been exploring our sexual relationship

"take a break babe. you've been working hard enough." And I want you she whispered.