I think being polyamorous (as in the ability to truly love more than one person in a sexually intimate manner) is a product of natural wiring.
this because I know it is natural for me to love only one in this way therefore the possibility of loving more must be natural and possible as well.
this because I see the way Redpepper looks at her husband and me and am definite she loves us both.
However, I don't think being wired polyamorously is a requirement to live a polyamorous life however.
I think some people can choose to invest deeply in more than one Lover but does not necessarily have to be "in love" with each of them. This I have seen too.
Whether you choose
it or are
it...just take care of those you have in your life