The Forbidden Affair

'She's my fiancée's little sister.' No matter how many times I remind this to myself, my thoughts keep going back to her.

The scene infront of me should break me apart. But I feel more than fine watching my boyfriend make out with some girl. It's all because of him.

"This is wrong." She was panting heavily, their faces just a few mm away.
"But you like it." He pulled her closer, their chests colliding and their lips almost touching.