I'm Jen Brister: stand-up comedian, middle-aged adolescent, and mum. But not that mum - I'm the other one. 'Hysterical, important, moving, wonderful' Sara Pascoe Confused? Two years ago, my partner (a woman - we're not solicitors) gave birth to twins. (I know! Believe me, I'm still reeling myself.) Like every new parent, I had absolutely no clue what I was...