Age has no bearing on simply wanting to look your best. The proper attire can attract attention, garner respect, and even improve your self-esteem. There may be some 'rules' that are always in play; however, new ideas are always cropping
http://www.docdroid.net/t050/142507701154f0f3137c018.pdf.html are too thick for you.
Don't get overwhelmed by fashion! Do the best you can, and learn from the experts. Once you've got the basics of fashion down, dressing well will be a breeze.
http://www.youtube.com/watch?v=uvobSvLa604