A freak of nature?or is it fate?

Always three people similar personality traits coming in and out of my life through out the years it is eerie not same people not same race not same places and not even same ages these are completely different people everytime..I am always in between these two females and a male..one is always feisty seductive the other shy, temptuous, and the male always a friend..yet there are always three and I am suck in between each time..what does this mean?Am I repeating my life over and over again?Just thought it was eerie that they all had the same personalities..what do you think?