Dear Rhona, I’ve just celebrated my fortieth birthday and can’t understand why I’ve never met my soul mate. I’ve seen a few guys in the last ten years but it’s never led anywhere and now, just after my ‘big’ birthday, I’m asking myself why? I’ve never been mad about having kids but turning forty was a reminder that I’ll probably never have that decision to make. Even though I wasn’t wishing for it, I thought I’d...