Dear Little Mister, I can’t believe you’re four today. FOUR. That’s such a big number. I’ve always thought of FOUR as a pretty big deal. I mean, that’s pretty grown up. You’re like a fully fledged KID now. Not a baby. Not a toddler. A KID. A kid who loves the colour green and is starting to become interested in dinosaurs. A kid who is incredibly caring, bossy, affectionate, creative, inquisitive and NOISY. Right now, you swear that you do not like chicken. At all. You think chicken is just so not an option. Unless you’re eating chicken nuggets. I mean, duh. When my mum is on holiday, you…