You went to work with your husband, Bangchan, since you have a day off. (He's a teacher)

You were sat in the back seat of the classroom, scrolling on your phone, while Bangchan was getting his stuff ready.

Half way through the lesson, you looked up from your phone at Bangchan, and pointed at his lips with your eyes when he looked your way.

He cleared his throat and looked away as he carried on with his lesson. Some students, looked at you, seeming surpried by what you just did...