You should have taken a Groupon offer with you 
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Haha damn £18 for 1 hour massage is a bargain
But believe me you wont even get half that ...she literally wont take no for an answer
At least twice i told her to forget about the extras and just carry on with the massage... a minute later she will stop again and be like 'are you sure?? £80 is a good price... im giving you half price... come on you pay me now and we can start with the b2b'
But shes crafty cause while bartering with you she will play with the little man downstairs in the hope he takes over the decision making... but theres no way im paying £80 for b2b.