In reply to The Bouldering Badger: Start somewhere, wherever, try it, however lowley paid, have fun, keep looing out and learning, change when and if something better comes up, as it will. Remember much of work is crap but your paid for it and it in tern pays for a lifestyle, so be grateful and when its good revel in it.
I wanted to be a police man from about 5, due to family issues started working in a computer shop servicing and sales, as soon as i was old enough, took promotion, got offered a police job but turned it down, by then I was already earning more 9-5 and too much going on socially. From then on, Charity Admin Assistant, Accounts Assistant, Assistant Chief Accountant, Internal Auditor, Systems integration consultant, Business Consultant, Business Development Manager, Account Manager, Sales Manager, Senior Key Account Manager, and now Fuel & Convenience Manager with a global remit.
Whatever find reason to enjoy whatever you do, look for positives!
Good luck