Hadith.1882 - Muhammad ibn Muslim narrated from Abu Ja'far (as) that he was asked about a man who feels cold. Can he share a blanket with his wife while fasting?
Imam (as) said: "He should place a cloth between them."
It is narrated from
Abdullah ibn Sinan, from Imam (as):
"[There is] a concession for the elderly in physical closeness." - permitting physical closeness for an elderly person.