A scorpion asks a frog to cross a river. The frog is afraid of being stung, but the scorpion argues then they'd both drown. Midway across the river the scorpion stings the frog. As he drowns the frog asks why, "it's in my nature", says the scorpion
At the end of the process due to bad planning the UK can't solve it's problems and blames the EU.
Why did you do that says the EU? Now we'll both suffer.
It's in my nature says the UK