Sahih Muslim 5697
صحيح مسلم#5697SahihAbdullah reported Allah's Messenger (ﷺ) as saying:If you are three, two should not converse secretly to the exclusion of your companion for that hurts his feelings
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 39:51