It was narrated that Sa'd bin Abi Waqqas said: "The Messenger of Allah forbade 'Uthman to be celibate. If he had given him permission we would have castrated ourselves." (Using translation from Nasāʾī 3212)
لَقَدْ رَدَّ رَسُولُ اللهِ ﷺ عَلَى عُثْمَانَ التَّبَتُّلَ وَلَوْ أحَلَّهُ لَاخْتَصَيْنَا