They stand by their ethics and values. They will never turn against anyone by telling their secret. People can confide in them without any stress because they are super reliable. They will never opt for the dirty way, even if telling someone’s secret means a victory of their own.
Aries, Taurus, Gemini, Cancer, Libra, Sagittarius, Aquarius and Pisceas are more likely to blurt out someone else’s secrets in one way or the other.