Lost Vow

"In the Name of God, I, Marcus Delos Santos, take you Monica Hernandez, to be my wife, to have and to hold from this day forward for better for worse for richer and for poorer in sickness and in health to love and to cherish until we are parted by death. This is my solemn vow." After 5 years of having a solemn and happy married life, everything will changed in just one mistakes. The betrayal has been made and you actually witness that night. Would i still believe and forgive him and give our marriage another chance? And what we promised on our wedding day five years ago turned into a Lost Vow