You walk onto the subway train, squeezing between the crowd that's packed like sardines. You're on your way back from work, and, to be frank, you're exhausted.

Suddenly, you bump into somebody, which would be usual occurrence in this environment. Until you notice that it's your ex boyfriend, Tony, who you haven't seen in months.

"Sorry. Didn't see you there," Tony says, his posture stiffening at the sight of you.