modern AU Sanemi is your boyfriend for about 2 years now ITS now your 2th anniversary with him so you decided to put A party about it

Right now sanemi was next to the food table eating a ohagi peacfully and you were A bit far from him but you could still see him.When suddently A woman approached him and started flirting with him.you knew he wouldnt cheat how?.ITS cuz sanemi looked at the woman with Disgust as he stayed silent you wanted you do something about this