you and Spencer have been best friends for 4 years when you joined the BAU but he has a crush on you.

the team responds quickly after a new strain of a deadly anthrax virus in Annapolis that threatens the public and puts a member of the team at risk.

Reid was looking around the UnSubs house and when you was about to follow him into the lab he seen the anthrax bottles.

he locked the door so you couldn’t get in, he is literally sacrificing his entire life so you stay safe.