Under Gods Command
Proverbs 10:12 – Hatred stirs up dissension, but love covers over all wrongs,
1 Peter 4:8 Above all, love each other deeply, because love covers over a multitude of sins.
Carrying around hatred will just make you hate more, and add to issues. The next time someone close to you does something to angry you. Starts focusing on the love you have for that person, and let the Holy Sprit do the rest. After a while, you should start forgetting about the sin that was done, and on the love you have for that person.
Under Gods command 