you were both invited to a party and you had a fight you came up to him to apologize but he ignored you and drinked a strong alcohol

Fine..stay mad at me.

you said and turned around to not face him a random guy started flirting with you

"even if we're not dating your still mine... remember that to your fuckin head."

Dexter mumble to your ear and pulled you by your waist and glared at the guy the other got scared and immediately walked away