Everyone has their own preferences and preferences, which is normal. There is nothing wrong with wearing white briefs, as long as you feel comfortable and confident. However, if teachers or others make negative comments or criticisms about your clothes, please respect their opinions and try to remain calm. You can try to explain your thoughts or choices, but if they don't understand or agree, you need to respect their views. The most important thing is to maintain self-confidence and respect for others and make yourself feel comfortable and confident.