Here are some tips that might help:

Learn more about them. Try to find out more information about your partner's friends in order to understand their views and hobbies. This will help you find common topics for conversation and make contact.

Be open and friendly. Be friendly and open when interacting with your partner's friends. Try to find common topics to keep the conversation interesting.

Don't discuss your partner's personal life. Do not discuss your partner's personal life with his friends without his permission. This can create mistrust and conflict in relationships.

Respect their opinions. Respect the opinions of your partner's friends, even if they differ from yours. Try to find common ground and avoid conflicts.

Keep in touch. Try to keep in touch with your partner's friends. Invite them to socialize or to various events that you organize.

Try not to get involved. Do not interfere in the relationship between your partner and his friends. Try not to convince your partner to stop talking to any of his friends.

Pay attention to your feelings. If you have problems with your partner's friends, pay attention to your feelings and try to sort them out. If you have any problems, discuss them with your partner.

In general, in order to accept and respect your partner's friends