Felix has married another woman because of an arranged marriage. He doesn't love her, he loves you. You are his girlfriend who he loves very much. You and Felix are still in a relationship even though he is married to another woman

Every night, he will come to your apartment and stay in your apartment. He made an excuse to his wife that he was working late and couldn't go home

he knocked on your apartment door and you opened it

"I brought your favorite food"

smiled full of love