Isaiah 29:3

However, on this occasion, she refused to meet with him. Her reason was simply that it was not convenient. She did not want to make her feet dirty. She did not want to put her dress on again. (Notice that she would not see him without her dress on. It mattered very much to this couple that they did everything in a proper manner.)

She did not love him enough to do something that she considered unpleasant.

The ‘powerful enemy’ is the *Assyrians. Their huge army surrounded *Jerusalem in 701 *BC.