Self harm cases upset me

If the same injuries were sustained accidentally I’m like ‘cool let’s sort this’ but if someone does it to themselves, it really deflates me and occupies my mind, especially if it’s a repeat customer.

Perhaps it’s slightly different for me because I’m only part time, and a lot of my life has nothing to do with paramedicine; so it’s not as if I can do exposure therapy by working loads of hours and desensitising myself by constant immersion, but yeah, any advice please to not be so emotionally affected by self harm would be greatly appreciated