The original Istikhara was done according to the current circumstances then. The passage of time leads to different circumstances, so acting differently this time will not be considered going against the original Istikhara.
It is permissible to kiss the hands of a religious scholar out of respect because of his knowledge and piety. There is a narration that indicates clearly the permissibility to kiss the hand of a person and intending by doing so to kiss the hand of the Prophet (peace be upon him and his holy progeny). Apparently, this applies to the scholar who is knowledgeable in the Sharia.