1. Of course: Having a best friend doesn't mean you can't make new friends. Friendship is rich and diverse, and people with different personalities, backgrounds, and life experiences can become your good friends, even girlfriends.
2. Friendship has no limits: People's emotional needs are multifaceted, and different girlfriends may play different roles in your life, providing you with different support and happiness. Making new friends, and even developing a new best friend relationship, is completely feasible.
3. Cherish every friendship: It is important to cherish and maintain every existing friendship, while also maintaining an open mind to meet new people. This way, your circle of friends will be more diverse and your life will be more fulfilling and beautiful.