It's Love, Actually

In celebration of marriage and all its glorious idiosyncrasies, couples are asked probing and personal questions about their relationships. Does marriage change couples for better or for worse?

Couples from across the UK share some anecdotes and their other halves' quirks. They discuss their first impressions, home habits and who the bosses are in each relationship.

The revealing episode looks at how personal traits have an effect on your relationship. Couples discuss how their individual social networking, personal hygiene and hobbies affect coexistence.

This episode explores living arrangements. Men and women in relationships reveal the reality of living together, with its frolics and fights, and deliberate as to whether honesty is the best policy.

As more couples bicker over snoring than having their texts spied on, this show asks why love is such a tricky business. Interviews reveal the nuisances that a partner can present in a relationship.

Love isn't always a picture perfect romance. Controversial topics are on the table as couples reveal what they find most embarrassing about their other halves.

Is love truly blind or is beauty in the eye of the beholder? It's confession time as couples debate whether looks are more important than personality in this cheeky peek into their relationships.

The challenges of domestic life provide the lovebirds with plenty of ammunition to discuss their significant others' fashions and dubious driving.

Hotly contested subjects fuel debate in this penultimate episode, including talks of irrational phobias, date night disasters and culinary catastrophes.

Take one last peek behind the curtains into the homes of Britain's couples to find out how the lovebirds nab the last word in arguments and how they keep the spark alive once the honeymoon is over.