Deciding which system to use – Vedic or Western – to match couples can be tricky. Both are tremendously useful if you know what to look for. Generally, Vedic methods are more interested in whether a relationship will last – its viability – whereas Western methods tend to focus on whether the couple will have passion and like each other – a relationship’s compatibility. We’ll share five simple strategies for determining the nature of any relationship, including soulmate, karmic, and other types of unions. Learn how to spot great and terrible compatibility at a glance.