The Better Sex Workout. BSPI : The Beiter Sexuality Preference Indicator. Sexual chemistry: How brain chemicals that divide us into four personality groups are the key to finding perfect love... By Louise Atkinson Updated: 08:20 GMT, 22 February 2011 Who knows why Brad Pitt chose Angelina Jolie over Jennifer Aniston or why Helena Bonham-Carter prefers to live in a separate house to her long-term partner Tim Burton?
The course of true love is a complex combination of personality, circumstance, upbringing and timing, but an eminent U.S. anthropologist claims to have uncovered a key secret to why some relationships work and others prove to be a little more tricky. After 30 years of studying the science of romantic love, Dr Helen Fisher is convinced that attraction is closely linked to the chemistry of your personality type and how it matches — or clashes — with that of your chosen partner.