(4) CHAPTER. A partner sharing a meal should not eat two dates at a time unless he gets the permission of his partner.
Narrated Ibn `Umar: The Prophet decreed that one should not eat two dates together at a time unless he gets the permission from his companions (sharing the meal with him).
Narrated Jabala: While at Medina we were struck with famine. Ibn Az-Zubair used to provide us with dates as our food. Ibn `Umar used to pass by us and say, Don't eat two dates together at a time as the Prophet has forbidden eating two dates together at a time (in a gathering) unless one takes the permission of one's companion brother.