@rok-sivante, Yes, if we hold anger no matter on whom then it's our damage because our anger will going to eat us from inside and it always push us towards the Unpleasant state of mind.

Sometimes we truly forget some important things or really important people of our life, and for sure that situation is really hurtful because, in my opinion ignorance give the pain.

Yes, we have to learn the art of Forgiveness and in that way we can earn the peace and inturn we can concentrate upon current situations and we can expand our life through productive actions.

Anger aspect is not justified most of the times and that is because it's an inner practice which develops through our perceptions so here we have to develop and practice peace and patience.

Yes, we can improve our life and we can make our environment beautiful by changing our mindset because if we change our mindset then for sure we will going to see the Transformation in our emotions.

Wishing you an great day and stay blessed. 🙂