Faithful or unfaithful? Are you 100% sure your partner is not cheating on you or having an affair with your best friend? Say goodbye to second thoughts and use "Faithful or unfaithful" to let your partner immediately prove the truth at any time! The test consists of 5 individual questions while the voice stress level, temperature and pulse is measured! A complex CIA lie detector algorithm will calculate the results and tell you right away, if your partner is cheating on you or not!