The institution of marriage requires natural compatibility and mutual consent to thrive. Recognizing the complex realities of human relationships, the Torah acknowledges that when this harmony is irrevocably broken, separation is sometimes necessary. To prevent exploitation, abandonment, or hasty decisions, a highly regulated legal mechanism is established to dissolve the union respectfully and decisively.
The creation of a marital bond involves a dual process initiated by the man through a formal act of acquisition, such as money or a deed, and finalized through physical intimacy. Yet even when a marriage is fully consummated, a profound rift can still provide grounds for divorce. This fundamental loss of favor typically arises when the couple's natures and temperaments prove entirely incompatible [אבן עזרא, אברבנאל].
The exact nature of the flaw that justifies divorce is a matter of profound debate. One perspective maintains that a marriage should only be dissolved in cases of actual promiscuity or sexual immorality [בית שמאי]. Conversely, a broader approach argues that the criteria include any disgraceful behavior or repulsive flaw, extending even to a situation where a wife intentionally burns her husband's food out of spite [בית הלל]. A third view stretches this boundary further, suggesting that a man may initiate a divorce simply because he finds another woman more attractive [רבי עקיבא]. Despite these differing definitions, the flaw in question cannot be based on mere suspicion or the husband's subjective feeling. It must be a definitive reality, clearly proven by the testimony of two witnesses [הכתב והקבלה, תורה תמימה].
The primary approach among commentators is that when a moral failing or promiscuity is definitively proven, the husband is under a Biblical Commandment to issue a divorce immediately. This urgency ensures he does not delay the process, which could lead to him finding favor in her once again and continuing to live together under prohibited circumstances [רש״י, גור אריה, מזרחי].
Dissolving a marriage cannot be achieved through mere spoken words; it requires a rigorous legal procedure centered on a dedicated written document. This bill of divorce must be drafted specifically for the woman in question, rather than being a generic form or a document intended for another woman with the same name. While it is a formal record, it does not strictly require parchment. It may be written on any unattached material capable of preserving the text. There is a deep conceptual significance to the requirement of a written text. Just as God created the world and unites couples through the combinations of letters, He mandated that the severing of such a profound bond must also be enacted through letters [רבנו בחיי].
The document must create an absolute and final severance of the relationship. If a husband includes a condition that permanently ties the woman to him, such as forbidding her to ever drink wine, the divorce is invalid because she remains partially bound to him [בכור שור, רבנו בחיי]. Furthermore, the document must be actively placed into the woman's hand or domain; she cannot simply take it herself. Her domain broadly includes her property, her home, or an appointed agent. The legal act of sending her away indicates that the divorce can be executed through agents on behalf of either party. It also necessitates an explicit declaration from the husband clarifying that the document is being given specifically for the purpose of divorce.
The process culminates with the woman leaving the husband's home. Once the divorce is finalized, the former couple is forbidden from remaining together and must enact a complete physical separation [רלב״ג, ביאור יש״ר].