17 Problems Only People Training For The London Marathon Will Understand
7. Your Social Life Starts To Suck

6. Raising Money - Lots Of It

Whether having your hairy man-legs waxed or begging for coppers on the high street in a tatty Goofy costume, you're going to have to whore yourself out somehow to reach your fundraising target all the while acting like a loan shark around your friends to extract money from them too.