Messenger of Allah ﷺ forbade ʿUthman bin Maz'un to abstain from marrying (and other pleasures) and if he had allowed him, we would have gotten ourselves castrated.  

سَمِعْتُ سَعْدَ بْنَ أَبِي وَقَّاصٍ يَقُولُ رَدَّ رَسُولُ اللَّهِ ﷺ عَلَى عُثْمَانَ بْنِ مَظْعُونٍ التَّبَتُّلَ وَلَوْ أَذِنَ لَهُ لاَخْتَصَيْنَا  

The Prophet ﷺ prevented ʿUthman bin Mazun from that (not marrying), and had he allowed him, we would have got ourselves castrated.  

أَنَّهُ سَمِعَ سَعْدَ بْنَ أَبِي وَقَّاصٍ يَقُولُ لَقَدْ رَدَّ ذَلِكَ يَعْنِي النَّبِيَّ ﷺ عَلَى عُثْمَانَ وَلَوْ أَجَازَ لَهُ التَّبَتُّلَ لاَخْتَصَيْنَا  

We used to participate in the holy battles led by Messenger of Allah ﷺ and we had nothing (no wives) with us. So we said, "Shall we get ourselves castrated?" He forbade us that and then allowed us to marry women with a temporary contract (2) and recited to us: -- 'O you who believe ! Make not unlawful the good things which Allah has made lawful for you, but commit no transgression.' (5.87)  

عَبْدُ اللَّهِ كُنَّا نَغْزُو مَعَ رَسُولِ اللَّهِ ﷺ وَلَيْسَ لَنَا شَىْءٌ فَقُلْنَا أَلاَ نَسْتَخْصِي فَنَهَانَا عَنْ ذَلِكَ ثُمَّ رَخَّصَ لَنَا أَنْ نَنْكِحَ الْمَرْأَةَ بِالثَّوْبِ ثُمَّ قَرَأَ عَلَيْنَا {يَا أَيُّهَا الَّذِينَ آمَنُوا لاَ تُحَرِّمُوا طَيِّبَاتِ مَا أَحَلَّ اللَّهُ لَكُمْ وَلاَ تَعْتَدُوا إِنَّ اللَّهَ لاَ يُحِبُّ الْمُعْتَدِينَ}  

I said, "O Messenger of Allah ﷺ! I am a young man and I am afraid that I may commit illegal sexual intercourse and I cannot afford to marry." He kept silent, and then repeated my question once again, but he kept silent. I said the same (for the third time) and he remained silent. Then repeated my question (for the fourth time), and only then the Prophet said, "O Abu Huraira! The pen has dried after writing what you are going to confront. So (it does not matter whether you) get yourself castrated or not."  

قُلْتُ يَا رَسُولَ اللَّهِ إِنِّي رَجُلٌ شَابٌّ وَأَنَا أَخَافُ عَلَى نَفْسِي الْعَنَتَ وَلاَ أَجِدُ مَا أَتَزَوَّجُ بِهِ النِّسَاءَ فَسَكَتَ عَنِّي ثُمَّ قُلْتُ مِثْلَ ذَلِكَ فَسَكَتَ عَنِّي ثُمَّ قُلْتُ مِثْلَ ذَلِكَ فَسَكَتَ عَنِّي ثُمَّ قُلْتُ مِثْلَ ذَلِكَ فَقَالَ النَّبِيُّ ﷺ يَا أَبَا هُرَيْرَةَ جَفَّ الْقَلَمُ بِمَا أَنْتَ لاَقٍ فَاخْتَصِ عَلَى ذَلِكَ أَوْ ذَرْ