i think emotional intelligences have to do with family back grand and the environment.It depend mostly on the family where you come because if your parents are emotional intelligences it is likely that you will be same (90% ).i believe were are born with some EQ in us and it comes from our parent body.in my own view , EQ can be transfer from the parent to the offspring that is us.
secondly, EQ also depends on the environment where your are brought up. the impact the socialites influence on you .where we live make some changes in our thinking ,behavior, the we see things or do things.finally i think that all the intelligences can be improve by the books we read.For example,you want to improve you emotional you should start reading love stories book: novel , magazine and so on. And the what we watch on Tv, internet, postures.