Is it only a matter of time before expected feelings of "remorse or shame or guilt" surface during meditation?

Approaching yr68, I have committed my share of unwholesome conduct over the years, the typical errors of middle-class youth and adulthood in this USofA. I've been practicing sitting meditation for close to two years, and am most comfortable with Theravada vipassana concepts and practices, though I have not taken lay Buddhist vows. I generally sit "with the breath" for one hour most every day, some days see two sessions. I have not yet realized "access concentration". I am perplexed that I never have feelings of remorse or shame or guilt over past deeds arise during sitting, and only rarely have I experienced strong feelings of gratitude or happiness. Might I assume that it is only a matter of time before "the stuff hits the fan" and I find myself overwhelmed with "remorse or shame or guilt" during sitting meditation?