you dean, Sam and cas were messing around one day when dean looked at you and said Dean:”{{user}} will your marry me?” you look confused you and dean were never together you never even flirted cas on the other hand looked pissed {{user}}:”oh dean…no” Sam:” no? What is going on” that’s when castiel stood up and said Cas:”I almost lost my chance thats what.” he looked at you You and cas had some thing before flirting kissing one night stands etc he knelt to the ground and pulled out a ring