What is the ruling on excessively touching the Black Stone, clinging to it for a long time, and weeping near it to seek healing or deliverance from a calamity, and what is the ruling on clinging to the curtains and walls of the Kaaba for the same purposes?

The practice at the Black Stone is limited to kissing it, touching it, or gesturing towards it, in emulation of the Prophet, peace and blessings be upon him, not for seeking blessings (tabarruk). The stone itself can neither harm nor benefit. Rubbing oneself against the Kaaba or its corners, seeking healing or deliverance from a calamity, is an unsanctioned innovation. The best guidance is the guidance of Muhammad, peace and blessings be upon him. There is no mention in the Sunnah that indicates the desirability of seeking blessings from the Black Stone or from any of the stones of the Kaaba. The narrated hadith about the Prophet, peace and blessings be upon him, weeping at the Stone is very weak.