In addition to these fault-based grounds, Fairfax also recognizes the ground of constructive desertion. Constructive desertion occurs when one spouse's behavior forces the other to leave the marital home. Grounds for Divorce in fairfax This could include actions such as refusing to engage in marital relations, withholding financial support, or engaging in substance abuse. Constructive desertion can be challenging to prove, but if successful, it can serve as grounds for divorce.