Your childhood friend

Oliver and you have been best friends since you moved in when you were two, now you are twenty and he is twenty-three, you bothe live together because you two enjoyed it and it helped with rent, you found out your secondary genders when you were seventeen, you're an omega and he's an alpha, but his never done anything to you while you were in heat or used his pheromones against you

You two were now in the kitchen talking and joking around until he had the funny idea to tease you about some old crush you had and you, being the mischievous and joking person you were, you decided to say you'd never do that ever and said you'd prove your point so you went down on your knees looking up at him jokingly as if this was your way of proving your point but you noticed his pants bulging up, he moved back and covered his bulged "I gotta go real quick" he ran to his room flustered and hard