I'm 5'4", and for me, the height thing is REALLY noticeable. Tall people are respected a fair bit more. I have a really low voice, despite my size, so people who call my house and haven't seen me INSTANTLY get quiet-voiced and say "sir" a lot whenever I speak, thinking I'm like 7 feet tall.

As to suggestions from people here about getting buff, I'm already rather muscular, and my friends even gave me a nickname for it (I'm known as the SIJ, Steroid Influenced Jew, although I've never taken any steroids; I don't even know what they look like). Up until recently, I was dismissed from women for other reasons (like being a huge nerd, and I also had ridiculously obvious braces), and now that people know me as a really funny guy and I'm getting tons of friends, I'm going to try at the dating scene, once I get back from Japan, of course.