He didn't let her husband in before the evening

Liana is truly blessed by fortune. She has a job that she enjoys and finds fulfilling, and she is just about to marry Michal, the perfect man. All her friends envy her, and Liana is floating on a pink cloud of happiness. Although Michal is quite a bit older than her, he's a successful businessman and, last but not least, very handsome. He literally promises her the moon, he's attentive, and he showers her with love and gifts. Simply Mr Perfect…
So, what's the problem?