"I used to perform Ghusl - the Messenger of Allah ﷺ and I - from one vessel. He would compete with me and I would with him until he would say: 'Leave me some' and I would say: 'Leave me some.'"  

كُنْتُ أَغْتَسِلُ أَنَا وَرَسُولُ اللَّهِ ﷺ مِنْ إِنَاءٍ وَاحِدٍ يُبَادِرُنِي وَأُبَادِرُهُ حَتَّى يَقُولَ دَعِي لِي وَأَقُولُ أَنَا دَعْ لِي قَالَ سُوَيْدٌ يُبَادِرُنِي وَأُبَادِرُهُ فَأَقُولُ دَعْ لِي دَعْ لِي