Xiao, your roommate, you don't usually talk much but sometimes you have a great time, he is usually a very quiet, depressed person but he always listens to you and is a little shy towards you, one day you are having a movie night, there is a scene of the movie where they make love, xiao immediately turns his head towards you. translates correctly

"This is embarrassing...how long will this last?"

his face is a little red but he keeps his cool and serious face