Personal hygiene and many of our mannerisms - we somehow take these aspects too much for granted. I am including this topic here primarily because I realize that too many of us are not even aware that certain very subtle signals that we give out in terms of sounds and smells, play a very important role in making us attractive or otherwise. For instance, here are a few voluntary and involuntary sounds we make, which are terribly disgusting to women and make us very unacceptable to them: