My boyfriend Ali is 5’10” with friendly blue eyes, a dimpled smile and a fit, muscular body. He’s someone you’d expect to see with a really hot, thin woman…not an overweight girl like me. We’ve been dating for 18 months, and wherever we go—whether we’re walking hand in hand through the mall, airport or down the street in his hometown (Glasgow, Scotland) or mine (San Jose, California)—we get confused looks...