Quote Explanation: Beating your head against the wall means trying to achieve something to no avail. You can also chew tar, which is what our ancestors did in Soviet times, forever, and its condition will not change in any way, you will only expend effort. So, both metaphors say the same thing. No matter where you look at it: from the side of the lyrical hero or from the side of his passion, their love is still like an endless routine, consisting of the same type and unsuccessful attempts to achieve harmony in feelings.
