we are luckier here in the USA...renting a plane with gas is about HALF of what you pay in the UK
save up, come to the USA and take a few lessons here and you get a trip to America.
you cant' justify it...you can't make it make money for you...but you can't justify owning a boat, or even paying too much for coffee, or taking a girl out on a date.
read: stick and rudder by wolfgang langweische and that will save you some money.