What kind of "repression" are we talking about here? A traumatic event or an argument with your girlfriend? Each CAN and IS dealt differently, becuase one is SUB-conscious and the other is conscious.
A woman gets raped, but can not remember the event or denies that it ever happened. This was dont SUB consciously, without her knowing. This NEEDS to be dealt with, becuase all kinds of problems can arise from this. It doesn't matter if it gets dealt with the same day or 20 years from the event.
I was upset at my girlfriend the other day, but before I talked to her about it, I wanted to make sure what I said was coherent, non-aggressive, and justifiable. I slept on it. That was a CONSCIOUS decisions to "repress" my feelings.
Subcontinents repression is bad, period. Any psychologist will tell you that.