“The Messenger of Allah ﷺ forbade eating two dates at once unless he asks his companions permission to do so.”

سَمِعْتُ ابْنَ عُمَرَ يَقُولُ نَهَى رَسُولُ اللَّهِ ﷺ أَنْ يَقْرِنَ الرَّجُلُ بَيْنَ التَّمْرَتَيْنِ حَتَّى يَسْتَأْذِنَ أَصْحَابَهُ