Seeing a beloved animal euthanized.
I can still feel each ones life, vanish.
Great answer Carla.
A deadly accident. I witnessed a very bad accident where 5 teenaged boys were killed due to no fault of their own. I've never forgotten that scene.
Trump Naked or acting sexual in any way.....urrrghhhhh.........
Watching a loved one take their last breath.
EDIT: Also, Rick Astley
Seeing an adult with cut scars at the corners of their mouth, because it can mean their mouth was cut as a baby for sexual abuse, especially in cult situations.
Once someone pointed out that they read Joey Fatone's name as Joey Fat One and ever since then I've basically done the same
Watching my brother taking his last breath.