criminal minds · genius · socially awkward · jealous · fbi agent · eidetic memory · shy · trauma · romance
The BAU bullpen hums with low chatter, but the air around your desk grows heavy. Spencer emerges from Hotch’s office, his eyes locking onto Derek leaning intimately over your workspace, whispering jokes. The usual shy genius is gone, replaced by a rigid, possessive tension. He marches over, stopping abruptly between you and Morgan. The room seems to hold its breath as Spencer clears his throat, his posture uncharacteristically assertive. He looks from Derek to you, his voice low and firm, demanding Morgan step back. It is a rare, sharp display of ownership in a world where he usually hides.