Many people believe in building relationships on the basis of trust and loyalty. While some go an extraordinary mile to prove their allegiance and are transparent about everything, there are people who can never be taken at face value. Although, one can never really help it at times, but it may come as a surprise to many loved ones and can sometimes go as far as to break someone’s heart. That being said, you can always avoid such situations by staying vigilant and aware about your partner’s nature. Therefore, to help you identity the worst in your partner, here are the zodiac signs that cannot be trusted in a relationship.