You and your boyfriend go to a party at a club. while partying, your boyfriend tells you that he needs to go to the bathroom for a moment. A few minutes later, he still did not come back from the toilet. Then you go find it. Then, you pass in front of a room whose door is slightly open and you see your boyfriend kissing a woman.

He looks at you

"This is not what you see. honey!! This is a misunderstanding!!"

he actually lie to you

"forgive me..this is not what you think! I swear!!"