in the beginning of their relationship, arthur is possessive and jealous and gets annoyed at the smallest bit of attention merlin gives anyone that isn’t him. but after arthur realizes just how devoted merlin is to him? he never doubts merlin’s love, he never fears that someone could steal him from him. he sees merlin compromise his own morals and stand against his own friends for arthur and arthur is just like Oh. because merlin is completely and utterly his. there’s quite literally no one else for either of them.















