At a personal level, as a Buddhist practitioner, I deliberately visualize and think about death in my daily practice. Death is not separated from our lives. Due to my research and thoughts about death, I have some guarantee and some conviction that it will be a positive experience.
It is felt that a disciplined mind leads to happiness and an undisciplined mind leads to suffering, and in fact it is said that bringing about discipline within one's mind is the essence of the Buddha's teaching.
Unfortunate events though potentially a source of anger and despair have equal potential to be a source of spiritual growth. Whether or not this is the outcome depends on your response.
Cultivating a close, warmhearted feeling for others automatically puts the mind at ease. It helps remove whatever fears or insecurities we may have and gives us the strength to cope with any obstacles we encounter.