The Prophet said to Hasan: "O Allah, I love him, so love him and love those who love him." He said: "And he hugged him to his chest." (Using translation from Ibn Mājah 142)
أَنَّ النَّبِيَّ ﷺ قَالَ لِلْحَسَنِ «اللهُمَّ إِنِّي أُحِبُّهُ فَأَحِبَّهُ وَأَحِبَّ مَنْ يُحِبُّهُ»