Try love, humility, prayer, and communication.
1 Corinthians 13:4–8a: Love suffers long and is kind; love does not envy; love does not parade itself, is not puffed up; 5 does not behave rudely, does not seek its own, is not provoked, thinks no evil; 6 does not rejoice in iniquity, but rejoices in the truth; 7 bears all things, believes all things, hopes all things, endures all things.8 Love never fails.
Ephesians 4:32: Be kind to one another, tenderhearted, forgiving one another, even as God in Christ forgave you.
Colossians 3:14: But above all these things put on love, which is the bond of perfection.
1 Peter 4:8: And above all things have fervent love for one another, for “love will cover a multitude of sins.”
Proverbs 13:10a: By pride comes nothing but strife.
Galatians 5:26: Let us not become conceited, provoking one another, envying one another.
Galatians 6:1: Brethren, if a man is overtaken in any trespass, you who are spiritual restore such a one in a spirit of gentleness, considering yourself lest you also be tempted.
Philippians 2:3: Let nothing be done through selfish ambition or conceit, but in lowliness of mind let each esteem others better than himself.
Matthew 18:19–20: “Again I say to you that if two of you agree on earth concerning anything that they ask, it will be done for them by My Father in heaven.20 For where two or three are gathered together in My name, I am there in the midst of them.”
Mark 11:25: And whenever you stand praying, if you have anything against anyone, forgive him, that your Father in heaven may also forgive you your trespasses.
1 John 5:14–15: Now this is the confidence that we have in Him, that if we ask anything according to His will, He hears us. 15 And if we know that He hears us, whatever we ask, we know that we have the petitions that we have asked of Him.
James 5:16: Confess your trespasses to one another, and pray for one another, that you may be healed. The effective, fervent prayer of a righteous man avails much.
Job 6:25: How forceful are right words! But what does your arguing prove?
Proverbs 15:23: A man has joy by the answer of his mouth, and a word spoken in due season, how good it is!
Proverbs 16:24: Pleasant words are like a honeycomb, sweetness to the soul and health to the bones.
James 1:19: So then, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath.