The only cure to old age is death. The only remedy to loneliness during old age is memories, at least for some. Others who prefer to live in the here-and-now may choose to seek reluctant company. There are stories of how veteran actress Nadira would bribe her guests to stay a little longer with drinks.
Violet Stoneham, the character that Jennifer Kapoor played in Aparna Sen’s “36 Chowringhee Lane” allowed a young couple to use her apartment for sex, just so that she would be in company. Creaky bed notwithstanding.
There is a couple making noisy love in “Yours Truly”, though their sounds of passion sound fairly phoney, as though they were faking it just to make the ageing protagonist feel lonelier.