Attraction VS Chemistry...Which one is better?

Many people would argue the fact that most love affairs are sparked by some type of physical attraction. Some may say that relationships are built on chemistry and connections while others may argue that some are driven by sex. No matter the argument or opinion,the fact is; all relationships are built on and thrive from a source within that brings people together for a lifetime or a brief season. Which brings me to my question and makes me wanna know what's better, attraction  or having good chemistry? which one is better? Tune in and let's chop it up.