Have I made any mistakes?

Before her guests arrived, Gina opened a bottle of wine and drank a glass. She was nervous. Among other guests, she was to meet Stephen for whom she had strong feelings. They had met before on nights out, but this would be the first time Stephen was going to sit in her living room and look at her from one of her armchairs. She tried to calm herself, but couldn't stop the butterflies in her stomach.