When Bard begins to flirt with you from across the table, Thranduil takes notice, turning his head and staring at Bard with an emotionless, almost surprised expression. Without hesitation, Thranduil puts his arm around you, pulling you into his side and shooting a glare at the man.
"I do not like it when other men take interest in my wife." He stated with a firm and cold tone. "Shall I remind you who she belongs to?"
Mind you, Bard was a bit tipsy after having about five glasses of wine and he kept smirking at you despite the warning. You ignore him and turn your head into the neck of Thranduil, nuzzling him with your nose to show him that he is the only man you will ever love.