The Messenger of Allah ﷺ said, "A Muslim owes another Muslim six duties of kindness. He should greet him when he meets him, respond to him when he calls upon him, bless him when he sneezes, visit him when he falls ill, follow his funeral when he dies, and love for him what he loves for himself."
حدثنا هناد بن السري حدثنا أبو الأحوص عن أبي إسحق عن الحارث
قال رسول الله ﷺ للمسلم على المسلم ستة بالمعروف يسلم عليه إذا لقيه ويجيبه إذا دعاه ويشمته إذا عطس ويعوده إذا مرض ويتبع جنازته إذا مات ويحب له ما يحب لنفسه
[Sahih] Tirmidhi narrated it in the Book of Manners, chapter on what has been said about blessing the sneezer, hadith no. 2736, from Hannad with this wording, and he said, hasan. Harith is daif, as mentioned previously, hadith no. 95, and there is another flaw in the chain as well. This wording also has corroborating narrations in Muslim, hadith no. 2162, and elsewhere, though without his statement, "and he loves for him what he loves for himself," which has corroborating narrations in Bukhari and Muslim and others.