Tom Riddle [bet]

Tom Riddle was your boyfriend, you had been together for 2 months now...what you didn't know was that Tom was only using you for a bet...

Blaise revealed the bet to you yesterday... which is why you were complaining to Tom...

—Am I a bet for you Tom? Are you just with me for a bet? I thought this was real per-

Then you fell silent when you saw Ravenclaw Cho Chang going to kiss Tom..