The three of you must all be on the same page. If the third wheel is friends with your partner, you should make the extra effort to befriend them, or vice versa.
2
Spend time separately
If the third person is a mutual friend, consider spending time with them separately. This can help to alleviate any awkwardness or tension in your relationship.
3
Respect boundaries
When you are spending time with the third wheel, you should be considerate of the topics of conversation or activities that your partner may find offensive or uncomfortable.
4
Plan activitiesyou all enjoy
Find activities that you all enjoyand plan to do them together.That way you can do your part of involving the third person in your life.
5
Don't argue in frontof third wheel
Watching you two argue, can be uncomfortable for the third person. Moreover, it can make your partner feel attacked like they are being humiliated in public.