5. Both are open about their sex life with the other friend.
6. As quoted by You Qing herself "What a coincidence! It seems like whenever I'm having a relationship, you are single but when I'm nursing my wounds, you are in a relationship." Exactly, that's the problem between the male and female lead in Thirty Nothing too!
And while Chen Bo Lin is the male lead of the show, as you know, I tend to take more notice of the second fiddles a.k.a the nice guy up there. Chen Bo Lin's character is really nice and all, but Nic (nice guy up there) is ahhhhhh. So Squeal-able.