Oh come on ! He needs a few details to go on.</p> Age, general condition, hanging out places, etc.</p>
Dunno, it's Friday. Chances of a 'if you really must' shag are probably quite high. Chances of a blow job are, dunno, can you have minus percentages.
Minus definitely dodgy as IOWT says. Seeing as Paul was a maths teacher perhaps it would be a better expressed as a multiple of i, i.e. an imaginary number?
I need a few variables first</p> cost of meal</p> cost of flowers</p> cost of new outfit</p> pints of beer consumed</p> pints of babycham bought</p> and anything else you think might be relevant</p>