ENOfficial
It was narrated that Ibn ‘Abbas said: “A concession was granted to those who are older with regard to touching while fasting, but it was disliked on the part of those who are younger.”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ خَالِدِ بْنِ عَبْدِ اللَّهِ الْوَاسِطِيُّ، حَدَّثَنَا أَبِي، عَنْ عَطَاءِ بْنِ السَّائِبِ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ: رُخِّصَ لِلْكَبِيرِ الصَّائِمِ فِي الْمُبَاشَرَةِ وَكُرِهَ لِلشَّابِّ .
sunnah.com