Yep, what is.
What is the worst feeling have you ever felt some time or another in life? I guess after what had happened today, the worst is… Perhaps, being a by-stander and not being able to do anything – just totally helpless, clueless and useless, even.
This is technically my first pet dog ever and I became the sole witness of his death – from the moment of suffering right till the point he took his last breath. And, gone. He froze in time.