Men: don't wear the untucked shirttail. It cuts you in half, which is a very bad proportion. Think of yourself as a series of thirds. So when the shirt is tucked in, you're 1/3 on top, 2/3 on the bottom.
Tim GunnI understand the all black or all white look (to be perfectly blunt, it's easy and you don't have to think about it very much) but would any of us really want to be one of those people?
Tim Gunn