There is a Russian proverb: "Trust and lives lost only once." This is probably true. The man, who had been deceived, in all actions beloved begins to notice the omissions and possible betrayal. This situation can be resolved only when the sincere feelings between people. Where there is love and respect, there is forgiveness, even betrayal. Trying to regain the trust of the person, you have to be an incredible patience and perseverance. Man, even the most understanding and loving, very difficult to go through your deception. Therefore, you should do everything possible to not give reason to doubt the honesty of your actions in the future.
Regain the trust of colleagues who once doubted you, it will be much harder than in a situation with loved ones. Likely that colleagues do not have for you no feelings, only professional relationships. Lie or admitted in relations with colleagues mistake can cost you dearly: spoiled reputation in the collective work or even denial. Only when you are able to prove their reliability and fidelity idea will be to regain the trust. Colleagues will be able to feel the confidence to you only in the proof of your honesty and reliability. All people make mistakes, you need to prove that your mistake was an exception to the general rule.
Regain the trust of friends is also very difficult. After all, to find a loyal and devoted companions sometimes it's so hard, and to earn the trust, you need a lot of time. The strength of the friendship is tested in difficult situations or in moments of joy that one gladly share with you without jealousy and recriminations. Regain the trust can only be a very important and significant for the deceived and hurt human actions. They need to show that you care about each and what you are willing to go to great lengths to smooth his guilt before him.
It is extremely important to remember that you can lose confidence in a couple of seconds, and to bring it back sometimes needed for many years. So do not make rash and foolish actions with respect to your loved ones.