"He that is slow to anger is better than the mighty; and he that ruleth his spirit than he that taketh a city," Proverbs 16:32.
It's that old lemon and apple thing again. When the pressure is on am I sour or sweet? Matthew 12:34
Stress is alleviated by being in the best health possible. Therefore, showing love to someone includes taking care of my own health: exercise, nutrition, leisure, and rest.
"And see that all these things are done in wisdom and order; for it is not requisite that a man should run faster than he has strength. And again, it is expedient that he should be diligent, that thereby he might win the prize; therefore, all things must be done in order," Mosiah 4:27. Managing time seems important as well as is nurturing/teaching the spirit through scripture reading.
Don't quarrel. Be charitable and forgiving. Put on the character of Christ. Colossians 3:12-14
Pray for strength. Philippians 4:6-7
Become a family team. It isn't health for one person to do all the work, while the others lounge on the couch. Exodus 18:17-23
Don't be gluttonous in any pursuit. Proverbs 25:16-23
Take advantage of the Sabbath to renew spiritually and physically. Mark 2:27
Pride and selfishness are the root of being easily provoked. Jesus was neither and therefore easily held his temper. His loving example teaches us that love is the root of patience, kindness, and sweetness of action as opposed to holding prideful grudges and acting out of selfish irritation/anger.