Unfortunately I've not been blessed with children but with three nephews and one niece, I've become well-practiced at being an Aunt. Whether its baby-sitting, keeping them occupied or helping with homework, I am a bit of a pro. Over the years I've learnt a couple of things. Having nephews and nieces has been a great excuse to see films that you wouldn't really be expected to see on your own: Harry Potter, High School Musical and Twilight to name a few guilty pleasures. Despite all their different characters, they've all managed to conduct the same behaviours on their early visits to the cinema. Kids: will have popcorn, a drink and a snack but will always want 'to try' what you've bought for themselves. Yesterday at the cinema to watch Marmaduke with my nephew Max who's four, I caught him taking my sweets and sniffing them before putting them back in my bag! (I have slight OCD so inside I was traumatised while outside I gently tried to persuad...