It is important to understand that as human beings we join others to form one large family, therefore we must see others as our brothers and sisters 
Often times people act on their own self interest, ego or sentiments without taking the interest of others into consideration. This leads to inconviniences of which we should be ready to put up with. Putting up with such inconveniences require us to forgive such persons and let go of those discomfort.
Do not expect too much from people. Learn to bear their weakness and failures of people. Romans 15:1
those who are strong should bear with the failings of the weak.
When we are hurt by others especially those we live with or have to work with, we should go to them and resolve what may have caused such hurts even if they refuse to apologize. The injury which hurts with the logic of reason will give way if one can wait for time.