One of the alternatives to traditional relationships is something called an open relationship.An open relationship functions off of the idea that human beings are not hard-wired to be with only a single partner, so they shouldn't try to be.If partners start keeping secrets or they don't really trust each other, then that is fertile ground for infidelity to occur.

Physical fidelity is perhaps the easiest type of fidelity to measure.
If two partners are in a committed relationship, it means that they won't have sex with other people.
The man behind Second Wife.com, web boss Azad Chaiwala, insists that the service promotes fidelity, morality and old-fashioned family values.
The 33-year-old entrepreneur believes in his product so much that he plans to select his next two wives from the company.
The best way to maintain fidelity in a relationship is to communicate.
Both partners have to learn to trust each other, and they have to be open and honest about their feelings and desires.Navigate market volatility What to consider doing when the markets get choppy.Playing defense in volatile times Learn how to build an investment mix that aims to limit losses.The site has proved so successful among Muslim men that another site, this time for Westerners, has opened for business – and is especially popular with women.Bolstered by the site’s success, Chaiwala has also launched a dating service for all faiths, Polygamy.com, a website which carries the banner "Welcome to the world of polygamy" - which has attracted more than 7,000 members since it launched earlier this year.That sort of situation can lead to jealousy that he's spending time with his ex rather than his current partner.