How often does the victim of spousal abuse have to pay alimony if she is the sole inome for.the household?

Proving marital misconduct by a dependent spouse against a supporting spouse (the sole income earner in your situation) could negatively impact an alimony award to the dependent spouse.

A victim of spousal abuse may be able to prove a form or forms of marital misconduct (for example, cruel or barbarous treatment endangering the life of the other spouse, indignities rendering the condition of the other spouse intolerable and life burdensome, excessive use of alcohol or drugs, etc.). Marital misconduct of the spouses is one of the factors a judge must consider when making an alimony determination.