Listen, stupe. The first week I was in this joint, somebody stole my Red Cross package, my blanket, and my left shoe. Well, since then I’ve wised up. This ain’t no Salvation Army – this is everybody for himself, dog eat dog. — Stalag 17

Gaining trust is a hard thing.  Regaining betrayed trust is almost impossible.  “Forgive and forget” is a nice sentiment, but once you cross someone, you should have no expectation that past transgressions will not be considered, no matter how much others may have forgiven you.