In Jainism, dealing with grief and loss is approached with deep wisdom and compassion:

1. Understanding Anitya (Impermanence): Jain philosophy teaches that everything in this world is temporary (Anitya). Relationships and life itself are transient. Contemplating impermanence helps in developing detachment (Vairagya) and accepting the natural cycle of birth and death.

1. Ahimsa (Non-violence) towards Self: Causing harm to oneself, whether physically or mentally, is against the principle of Ahimsa. You must practice compassion not only towards others but also towards yourself. Self-harm is not encouraged in Jainism.

1. Dhyana (Meditation) and Pratikraman: Engage in meditation and Pratikraman (introspection and repentance). These practices help calm the mind, accept loss, and purify negative emotions.

1. Satsang (Good Company): Spend time in the company of spiritually inclined people or listen to Jain discourses. Satsang provides strength and helps in shifting focus from grief to spiritual growth.

1. Samayik (Equanimity): Practice Samayik, which is the vow of equanimity and detachment for a set period. It helps in stabilizing emotions and controlling the mind.

1. Chanting and Prayers: Recite Jain prayers like Namokar Mantra. This helps in purifying thoughts and bringing inner peace.

1. Reflect on Karma: Jainism teaches that sorrow and separation are results of one's own karma. Understanding this can help in accepting the situation with composure and working towards spiritual progress.

Remember, Jainism encourages you to face challenges with equanimity, without harming yourself or others, and to use difficult times as an opportunity for spiritual advancement. If grief becomes overwhelming, seek support from family, community, or a spiritual guide.