There are lots of hanging issues between UK and EU.
EU will never make it easy to UK to separate.
UK needs to end the separation soon to start new trading deals freely with more offsetting to EU.
Politically, EU wants to make UK an example to who want to leave.
The nationality and the free movement will be the same for EU-the same for UK.
EU criticism to the British pound strength can reinforce it, after its dramatic slide last June and last October.
Monetarily, The interest rate outlook can be bullish for both UK and EU supporting the British pound and the single currency.
Financially, UK readiness to pay off to EU can end everything smoothly and i see UK Chancellor of the Exchequer Philip Hammond has taken into his account this probability to facilitate the separation, when he discussed the budget of 2017-2018.