"Our date of birth can indeed influence our predisposition to be unfaithful ...But just because your spouse is a Monkey and Sagittarius doesn't mean he or she will cheat on you..." Gleeden, extra-marital dating site, author of the study.br Sagittarus: Infidelity rate: 13. Seduction is a permanent challenge for the Sagittarius.br Gemini: Infidelity rate: 10.73. The Gemini is a big charmer...br Aries: Infidelity rate: 9.15. The Aries quickly gets tired of it's partners...br Aquarius: Infidelity rate: 9.74. The Aquarius is in search of novelty...br Leo: Infidelity rate: 8.16. Leos will do everything to avoid hurting their partner.br Cancer: Infidelity rate: 8.11. Cancer finds it difficult to live a lie to the point of revealing their infidelity. br Taurus: Infidelity rate: 7.95. Taurus is one of the most loyal signs of the Zodiac.br Pisces: Infidelity rate: 7.53. Pisces tries to find excuses for his infidelity.br Libra: Infidelity rate: 7.31. Libra will resign and stay with her partner despite a potential double life.br Capricorn: Infidelity rate: 6.89. The Capricorn is a true lover of love.br Virgo: Infidelity rate: 6.25. Very discreet, it is very difficult to notice her infidelity.br Scorpio: Infidelity rate: 5.75.