One of the best things about living in the UK is the weather. No, seriously. Our climate is mild, and what the citizens in a metropolis like Moscow have to put up with - every single winter - is more than most of us would be comfortable with.
As I write this post, it's a bracing minus 11 Celsius in Moscow, whereas here in the UK the temperatures around the mainland are between abut 3 and 6 celsius. It has of course been minus 11 Celsius here before, but that was during a record-breakingly cold winter.
Another good thing about the UK is that if you are a UK national and you need emergency treatment, you're not billed for it. Going to another country though, and it could be a different matter, which is why expatriates take out international health insurance - helping with peace of mind in a new country and helping make sure that the right level of treatment is available.