- A handsome young poet beguiled me and I him,

and we shared a moment, and parted.

- Complicated love, is definitely the name of the game.

- It is a romantic epic saga.

- After all this time you still doubt me!

- Perhaps I doubt everything.

- Relationships are complex, you know

they're not always straightforward and they go through

ebbs and flows and ups and downs.

- There are truly joyous moments in this series.

- Sam and Emma, kind of falling in love with each other.

- It is a happy marriage for Elizabeth and George.

It's just really nice to find that love between them.

- What can you do when people have everything

that they possibly want, you'd have to pull them apart.

- I feel that I have failed.

- And it's not just a "Well, they won't make it",

it's a "how are they gonna do this?".

- [Woman] And then it's one obstacle after the other.

- How can Drake not mourn for the loss of Morwenna?

- Heartbroken and pining.

- But what's so beautiful is that

they still love each other so much.

- I mean the brilliant thing about series four is that the

relationships are so much more layered, difficult, complex.

- I think it ultimately creates a very very deep

relationship and a deep love.