1. You should be trinad api sunicha. If someone abuses you, hurts you, humiliates you, even if you are not wrong, still be quite. This is sadhu. If you are not acting like a sadhu, then what is the benefit of putting dress of a sadhu.
2. Don’t give trouble to any living entities, either physically, mentally or emotionally.
If you get something from someone, you must reciprocate. Otherwise you have to come again and pay. So whatever you get, reciprocate. Don’t take burden.
Simply by giving aural reception to this Vedic literature [Srimad-Bhagavatam], the feeling for loving devotional service to Lord Krishna, the Supreme Personality of Godhead, sprouts up at once to extinguish the fire of lamentation, illusion, and fearfulness.
To have mental concentration one must be cheerful and peaceful. By cultivating friendship with equals, respect for seniors, compassion for juniors and indifference towards sinners one will destroy envy, hatred and aversion and become happy and serene.
Srila Prabhupada stressed 4 rules in japa: early morning chanting, full concentration, distinct pronunciation, attentive hearing.
Be satisfied with who you are. If you are not, you will tend to be jealous of others and unhappy with yourself. Be happy with the way Krsna made you and use the gifts He has given you to further your service.