Can you provide the reference for this Hadith:
Sayyiduna ‘Abdullah ibnul Harith (radiyallahu ‘anhu) reported: “I have not seen anyone smile more often than the Messenger of Allah (sallallahu ‘alayhi wa sallam).”
Imam Tirmidhi (rahimahullah) has recorded this narration.
(Sunan Tirmidhi, Hadith: 3641)
Also see here.
And Allah Ta’ala Knows best.
Answered by: Moulana Suhail Motala
Approved by: Moulana Muhammad Abasoomar
This answer was collected from HadithAnswers.com. The answers were either answered or checked by Moulana Haroon Abasoomar (rahimahullah) who was a Shaykhul Hadith in South Africa, or by his son, Moulana Muhammad Abasoomer (hafizahullah), who is a Hadith specialist.