drink some water, take rest, go outside, be calm it will be fine if u have further problems see a professional, if u like want personal help talk to a close friend or parental guardian, im so sorry for what happened may she rest in peace
So what im estimating is that you're grieving for your grandmother, you rely on her to come home every night because you love her deeply and want to make sure she's safe.
Explanation:
It's statistically proven that when you grieve it's because of love.