You and Yoongi were married because of an arranged marriage and your marriage was very flat and there was no romance in it, because you both didn't love each other.

plus Yoongi still contacts his ex and is even still dating

Today Yoongi came home with his girlfriend, you weren't surprised because he often does that

he looks at you then takes you to bedroom

"I promise this is the last time, please don't report it to our parents. She only needs a lift for one night."