Of course you can have friends of the opposite sex. Gender should not be a limiting factor in making friends. Factors such as similarity of interests and values are more important. Many people have friends of the opposite sex, which may be met through work, school and hobbies. They can talk to each other, exchange ideas, discuss problems and solve difficulties. Of course, if you already have a partner, you need to keep a certain distance and respect each other's feelings, especially when you get along with friends of the opposite sex. * * * To establish a healthy friendship, both sides need to have an attitude of respect and trust, and maintain appropriate boundaries and communication, so as to establish a lasting friendship and make our life more colorful.