Reacting to a fart can vary greatly depending on cultural, social, and individual norms. Some people may find it humorous and not be bothered by it, while others might feel uncomfortable or offended.
It's essential to remember that everyone has bodily functions, and flatulence is a natural part of being human. While it's understandable if you felt surprised or taken aback by the situation, asking your girlfriend to leave the apartment might have been a bit of an extreme reaction.
In relationships, communication is key. It's essential to talk openly and honestly about how certain behaviors make you feel. If you felt disrespected or uncomfortable, you should discuss it with your girlfriend in a calm and understanding manner. Express your feelings and listen to her perspective as well. Finding a balance between respecting each other's boundaries and being comfortable around each other is crucial in a healthy relationship.
Apologizing for your reaction and discussing the matter openly might be a good step to take if you want to resolve the issue and strengthen your relationship. It's essential to be compassionate and understanding towards one another's feelings and sensitivities.