If a person despite trying sincerely is still struggling because of past conditionings and he wants to be honest with guru, what should he do?

From: vikrant badgujar

my question is, if someone is trying sincerely, but becoz of his past conditioning he cannot follow all the rule and regulations & for the mistake what he performs, he always repent for that, but he wants to be honest with guru & gouranga, in this situtaion what he should do?