Shav and Mark play a relationship quiz. It's all fun and games until they both start to feel things might be getting a little too close for comfort. Should you ever really ask your boyfriend what he would most like to change about you physically?

Shav is racked with guilt - she's committed the cardinal sin of all couples: TV cheating. When Mark finds out his girlfriend watched a whole series without him, he decides to see how far she'll go to keep her affair secret.

The couple are getting ready for an event and decide to make a simple bet, both convinced that the other will be late. Except nothing with Mark and Shav is ever quite that straightforward…