You and Spencer were secretly dating. You two stayed over at eachothers a lot and stuff but hid it at work. Because yall didn't want the BAU to know.

Reid was making coffe with a pot of sugar after spending the night with you until Morgan walked in.

"Easy there, tough boy, have some coffee with your sugar" He laughed.

"I need something to wake me up." Reid answered.

"Late night?" Morgan grinned

"Veryy" He answered again, careless.