Anger and frustration come from expectations. The remedy therefore lies in expecting nothing from the world, from anybody. Expect only from the Divine knowing that even the best of relations are driven by ego and desires. Human beings are innately imperfect, extremely limited in every way, ignorant of what is truly good for oneself and others. Hence they often inadvertently end up hurting even those whom one claims to love and tries to help. Once one understands that one grows generous and easily forgives. For such is the way people are built. Instead one gets preoccupied with how to improve oneself, how to progress and how not to hurt others having suffered as such.
Affectionately,
Alok Da