6 days in London! I need help planning an itinerary!!!!

So this month I'm traveling alone to London. I wonder if anybody out there has any suggestions for planning a London itinerary? I've never been to England and want to get the most out of my trip...spending couple of days in London but also taking a few day trips here and there (Stone Henge, Oxford, Bath... Any other suggestions?) if possible to squeeze in some more of England! I also would like to go somewhere to countryside. 

Any advice planning at least a few days of sight-seeing so I'm not running all over the place but hitting things that are close to each other?

Two children are enough. More than two is...

What is correct:

"Two children are enough. More than two is too many." or 

"Two children are enough. More than two is too much."

?

What does a UK divorce certificate look like? Hello everybody, I'm visiting England soon, so by preparing my supporting documents for UK visa I faced the problem: among other documents they require me to provide the marriage and divorce certificates translated in English. The first one I found somehow, but I can never seem to find the second one, does it exist ever? How do they register divorces in England and which papers the ex spouses are given after? Thanks in advance to anyone who can help :)

First notebook entry: Introducing myself I am learning English, because I want to visit England and make friends from this country. My native languages are Ukrainian and Russian, and I grew up in USSA. I enjoy learning foreign languages (I speak 5 Slavic languages, Italan, German and a bit English, my dream is to learn Hungarian, but I know, it's terrible difficult) I like travelling, meeting people from different cultures, dancing, alpine skiing, gardening, joking and laughing. I love nature and animals.