"I saw the Prophet carrying Hasan bin 'Ali on his shoulder, and his saliva was dripping down on him." (Using translation from Ibn Mājah 658)
عَنْ أَبِي هُرَيْرَةَ رَأَيْتُ النَّبِيَّ ﷺ حَامِلًا الْحَسَنَ بْنَ عَلِيٍّ عَلَى عَاتِقِهِ وَلُعَابُهُ يَسِيلُ عَلَيْهِ