The impotent man(True life stories)

There is this sister in church who has an issue in her marriage and is asking for advice on what to do. She and her husband dated for 4 years plus and within these 4 years dating, there was no sex or romance involved, not because she didn't want, but because the date then ,who has become the husband now, said there will be no sex or romance in the cause of them dating ,until after their marriage since they are both committed Christian in Church
The lady gladly accepted, thinking she has gotten the perfect gentle man. Along the line, the got wedded last 3 months, after 4 years plus dating. Then , the most painful revelation happened on that night, when couples are supposed to do the do in the other room and then the lady found out the the husband is impotent, meaning his manhood doesn't get effect nor function. It was at this point the man apologized for not informing her all along in the course of their 4 years relationship. The no sex and romance stand of the man wasn't because of his purity but because he was hidding his weakness from his partner. Now the lady is devastated and confused. The marriage is just barely 3 months and she is asking for advice on what to do at this point. Should she divorce him? Or continue in the marriage? Having found out that the man deceived her all along? What's your advice or opinions for this worried lady?