The general manager will ask you why you chose to be a jewelry store clerk. You can say that you think you can learn a lot, such as communicating with people and treating different people with what attitude, which is good for tempering your character and temper. Let's talk about that jewelry brand first, such as a big brand, which is influential. Try not to say it's because of your girlfriend, or the manager may worry that your relationship will affect your work.
If the manager talks about your relationship, you can also say in a joking tone that you will feel more secure and stable at work and will not quit easily, so that the manager will feel that you are sincere about your work, not just for falling in love.
The manager may say that you don't understand this business. What are your advantages? You can say that you are a young man, energetic, self-motivated and have a lot of time to study. You will try your best to learn these professional knowledge as soon as possible. Professional knowledge can be learned. The most important thing is that you are confident that you are qualified for this job, and you are male. In some cases, you are not only a shop assistant, but also a security guard, which will be more convenient than women in dealing with some emergencies.
Because you don't know this line of work, managers generally don't ask you for professional knowledge. What he should pay most attention to is your mentality. Remember to smile when interviewing. The most important thing for a salesperson is to smile. Don't make people think you are inaccessible. Say a few more words without the manager asking you questions.
Your girlfriend also interviewed, and her colleagues, the problems they encountered are probably your problems, you can think about those problems, and that's it.