What do you read o say when someone leaves you as in runs away from you or you've been afflicted with bad look i.e. miserable/bad things have happened to you?

Removing Fear

Fallaahu khayr Haafidhan wahuwa arhamur raahimeen

One who is terrified of his enemy or fears the approach of any calamity should recite the above verse excessively. Insha Allah, his fears will disappear and any possible calamity will be averted.

To Remove Fear, Fright and All forms of peace-shattering thoughts

Qur?aan Juz15 Rk.15
The above verses should be recited and blown on any person who is frightened, shocked or terrified. These verses are very effective in removing horrifying thoughts as well.

and Allah Ta'ala Knows Best

Mufti Ebrahim Desai