[Niubee]

Your question is too inexperienced and only asked by teenagers. You know what is chemistry? Sex is like chemistry and chemical reaction. At advance stage of copulating intimation, it is sacred and spiritual.  So attractive or normal looking play no part in a satisfying intercourse.
Many attractive women are like icebergs without chemistry with you. You feel like fucking a stone with this type. This is a very deep topic which cannot be explained in a forum.  

a hole is a hole