Dear Little Mister, Today you are 3. You are also the best little buddy I could ask for. I read somewhere that you should never call your son ‘buddy’ or ‘mate’, because then you are not setting the boundaries between parent and child firmly enough. Well, that’s crap. I know that you know I’m mum. I’m very clear about that! BUT…you are my little buddy too. You make boring things interesting. You come with me everywhere I go (OK so it’s not ALWAYS ideal but I love ya). You keep me company, while I wait. For anything. You make me laugh. I love love love that you’re young enough to…